Outlook ↔ Google Calendar Sync

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Release Notes

v2.9.5.0 - Alpha

:high_brightness: Enhancements

  • New option to set synced items as ‘public’
  • Categories now properly populating for Alternate Mailbox
  • New option to set OGCS to startup for all Windows users, not just current
  • Show warning that filtered out items may sync as “duplicates”

:beetle: Bugfix

  • Don’t touch Outlook attendee response status, if they are Google organiser
  • Fixed error accessing Outlook item that has been modified
  • Fixed error when syncing colours, but none set on Outlook appointment
  • Handle being disconnected from Outlook when retrieving categories



v2.9.4.0 - Alpha

:high_brightness: Enhancements

  • Do not delete inaccessible Outlook items from Google
  • Ensure cached Outlook categories are still valid
  • Improved connection to Outlook for Push syncs
  • Setup.exe renamed to OGCS_Setup.exe
  • Direct users to wiki for help with Outlook conflicts
  • Cope with environment variables not being available

:beetle: Bugfix

  • Ensure correct Outlook calendar is being targeted
  • Don’t let obfuscation trample original text
  • Don’t crash when manually switching Profiles
  • More reliable comparison of meeting attendees
  • Avoid loss of Google description when none exists in Outlook (2-way)
  • Improved parsing of colour maps and empty maps



v2.9.3.0 - Alpha

:high_brightness: Enhancements

  • The arrival of Profiles brings multi-calendar sync! :tada:

:beetle: Bugfix

  • Don’t error if Google event has no “popup” notification
  • Rolled back incompatible SharpCompress DLL
  • Remove alt-tab icon when minimised to system tray



v2.9.2.0 - Alpha

:high_brightness: Enhancements

  • Don’t steal focus for messageboxes, flash icon instead
  • Improved UX for category/colour map tests
  • Proactively offer hiding of splash screen following donation

:beetle: Bugfix

  • Fix missing Google default notification in Outlook appointment
  • Fix “the given key was not in the dictionary”



v2.9.1.0 - Alpha

:high_brightness: Enhancements

  • More reliable method to open browser
  • Option to show and sync with hidden Google calendars
  • Update of third-party DLL files

:beetle: Bugfix

  • Don’t alert for alpha releases if user not opted in
  • Correctly sync Google “this and following events” recurring event changes
  • Fix end time of all day recurring items in non-GMT timezone



v2.9.0.0 - Beta

:high_brightness: Enhancements rolled in from Alpha releases

  • Customisable attendee limit for sync
  • Option to exclude sync of declined Google invitiations
  • Option to exclude sync of Google ‘goals’
  • Option to set exact type of availablity in Outlook (eg Out of Office)
  • Provision for custom timezone mapping when required for meeting organiser in different timezone
  • Ability to specify custom maps between Google colours and Outlook categories
  • Additional colour sync setting to only sync single category to Outlook
  • Retrieve all Google calendars, not just first 30
  • Order the Google calendar dropdown: primary, writeable, read-only
  • Warn if read-only calendar selected for sync; deny for two-way sync
  • Sync deletion in Outlook on first two-way sync (not second)
  • New /t command line option to append custom text to application title
  • Set Outlook organisers as having “accepted” in Google




v2.8.7.0 - Alpha

:high_brightness: Enhancements

  • Customisable attendee limit for sync
  • Set “No” as default for deletion prompts
  • Advanced hidden configuration option to disconnect from Outlook between syncs
  • For Push Sync, check Outlook is actually running

:beetle: Bugfix

  • Hide quota exhausted notification after correct amount of time
  • Get new Google access token if expiring imminently
  • Ensure milestone window is always responsive
  • Actually save calendar item if “force” flag is set
  • Download all delta install file(s) to allow for successful upgrade
  • Check if install files are already downloaded
  • Regression bug syncs every minute after manual sync, even with no schedule



v2.8.6.0 - Alpha

:high_brightness: Enhancements

  • Optionally exclude declined Google invitiations from sync
  • Additional colour sync setting to only sync single category to Outlook
  • Don’t set Outlook category to default Google calendar colour (unless mapped)
  • Retrieve all Google calendars, not just first 30

:beetle: Bugfix

  • Outlook 2003: Retain recurring items starting before, but spanning sync date range
  • Cater for nothing being returned when getting Google item recurrences
  • Handle Google error code 410 [Gone]
  • Correctly delay next sync when quota exhausted
  • Google calendar colours in dropdown may be offset incorrectly by 1
  • Handle failure to get email address from Exchange meeting attendee
  • Fixed regression of network failure preventing future automated sync
  • Telemetry popup box every time OGCS starts in system tray
  • Default Google reminder errors if only email notification set on event



v2.8.5.0 - Alpha

:high_brightness: Enhancements

  • Improved detection of Outlook versions after 2016
  • Option to exclude sync of Google ‘goals’
  • Option to set exact type of availablity in Outlook (eg Out of Office)
  • Sync deletion in Outlook on first two-way sync (not second)
  • Log exact code location of any errors
  • Log Google 500 errors as FAIL to avoid error reporting
  • Further masking of Outlook profile email address in log file

:beetle: Bugfix

  • Quota limit error updated to match changed Google error
  • Reclaim calendar entries in both Google and Outlook at start of sync
  • Proper calculation of recurrence end time from organiser’s local time
  • Compare recurrence rule if number of elements have changed
  • Compare attendee cloaked email addresses properly after config change
  • Handle configured category mappings for categories that no longer exist in Outlook
  • Don’t error if log file deletion fails
  • Improved support for Outlook2003



v2.8.4.0 - Alpha

:high_brightness: Enhancements

  • Ability to specify custom maps between Google colours and Outlook categories
  • Detect movement of Outlook appointments into/out of sync window bounds
  • Improved detection of Outlook versions after 2016

:beetle: Bugfix

  • Broken upgrade mechanism (fixed from this release onwards)
  • Save timezone mappings on exit of config screen
  • Issue reading ErrorReporting.json file when starting multiple instances of OGCS
  • Silently reconnect to Outlook if disconnected and using Push Sync
  • Syncing Google reminder but none exists
  • Properly report Google API exception errors



v2.8.3.0 - Alpha

:high_brightness: Enhancements

  • Provision for custom timezone mapping when required for meeting organiser in different timezone
  • Handle when corporate policy/AV blocks access to current user’s name in Outlook

:beetle: Bugfix

  • Handle mailboxes that have no Deleted Items folder
  • Check configured Outlook mailbox and calendar are stil available on startup
  • Properly detect sync direction when forcing attributes in target calendar
  • Only update category/colour if configured to
  • Don’t attempt to sync colours for recurring series exceptions
  • Take into account DST for UTC offsets
  • Handle recurrence end dates with no time element
  • Ensure start/end Event values are populated
  • Encode CSVs to UTF8
  • Fix error reporting DLL reference



v2.8.2.0 - Alpha

:high_brightness: Enhancements

  • Use any configured proxy for all web calls
  • New /t command line option to append custom text to application title
  • Don’t attempt update of recurring Google series owned by another
  • Pop-up message boxes now associated with main application form
  • Improved feedback on API quota exhausted
  • Ability to disable telemetry

:beetle: Bugfix

  • Convert recurrence end date to local time
  • Error reporting DLLs updated



v2.8.1.0 - Alpha

:high_brightness: Enhancements

  • Set Outlook organisers as having “accepted” in Google
  • Order the Google calendar dropdown: primary, writeable, read-only
  • Warn if read-only calendar selected for sync; deny for two-way sync
  • Display custom Google calendar name, if set
  • Third-party DLLs updated

:beetle: Bugfix

  • Better error handling if Outlook closed mid-sync
  • Fix missing last occurrence in Google for recurring series from Outlook
  • Report correct COM error code and redirect to wiki for published solution
  • Don’t crash after upgrade if user doesn’t have access to system registry
  • Fixed subscribers not picking up correct API key
  • Only allow single Error Reporting window
  • Don’t allow sync if Error Reporting window displaying



v2.8.0.0 - Beta

:high_brightness: Enhancements rolled in from Alpha releases

  • Sync colours / categories
  • Option to force particular colour for synced items
  • Option to not sync Outlook invites you have yet to responded to
  • Syncing a common calendar to/from more than one other now supported!
  • Added option for users to automatically feedback errors
  • Command line parameters to support multi-instance OGCS
  • Better ability to cancel a running sync
  • OGCS stays responsive whilst Oauth process takes place; can be cancelled
  • Detect Windows system timezone changes
  • Improved Push sync mechanism
  • Collapsible sections added to Sync Options configuration screen
  • Properly retrieve meeting organiser’s timezone
  • G->O: Allow synced items to be assigned specific category (not just colour)
  • Show authorised Google account on Settings tab
  • Better timing of auto-retry for when quota renewed after API exhausted
  • Option to configure the browser’s User Agent in the GUI
  • Options to use (or not) Outlook/Google calendar defaults for reminders
  • Don’t update last sync date if sync unsuccessful
  • New window for social links; option to suppress for donors
  • Redirect users with COM errors (bad Office installs) to wiki help page
  • Use the OGCS logo for system tray notifications

v2.7.9.0 - Alpha

:high_brightness: Enhancements

  • Redirect users with COM errors (bad Office installs) to wiki help page
  • If GAL is blocked don’t report this as an error.
  • Don’t access Outlook appointment organiser if GAL blocked by policy
  • Silently fail if check for OGCS update errors.
  • Use the OGCS logo for system tray notifications

:beetle: Bugfix

  • Copy and paste / click and drag Outlook appointment causing null references
  • Check for custom Google reminders before setting default
  • Improved handling of Exchange errors when obtaining attendee mail addresses
  • Incorrect timezone offset for appointments in Outlook 2003

v2.7.8.0 - Alpha

:high_brightness: Enhancements

  • Remove Google+ related links and API calls
  • Don’t update last sync date if sync unsuccessful
  • New window for social links; option to suppress for donors
  • Faster matching of calendar items
  • New advanced setting to extirpate all OGCS custom properties

:beetle: Bugfix

  • Don’t try and update master Event custom attributes
  • Only compare colour/category if set to be synced
  • Email address cloaking
  • Don’t reselect Google calendar when re-downloading list

v2.7.7.0 - Alpha

:high_brightness: Enhancements

  • Better timing of auto-retry for when quota renewed after API exhausted
  • Option to configure the browser’s User Agent in the GUI
  • Options to use (or not) Outlook/Google calendar defaults for reminders

:beetle: Bugfix

  • Persist a push sync through a restart of Outlook
  • Persist selection of correct calendar when alternate mailbox is temporarily unavailable
  • Select correct alternate mailbox on startup
  • Handle a Google event having an end date before the start date
  • Reminder DND window not always applying correctly

v2.7.6.0 - Alpha

:high_brightness: Enhancements

  • Syncing a common calendar to/from more than one other now supported!
  • Improved logic to determine meeting organiser’s timezone
  • Don’t delete Google event immediately after reclaiming it
  • New FAIL logging level added, below Error
  • Nicer output when authenticating with Google and reclaiming items
  • Show authorised Google account on Settings tab

:beetle: Bugfix

  • Fixed XML namespace for obfuscation sync direction
  • Stopped error reporting obstructing Squirrel events
  • Fixed crash on OGCS automated startup
  • Don’t try and retrieve Google event if synced from different calendar (avoid 404 errors)

v2.7.5.0 - Alpha

:high_brightness: Enhancements

  • Properly retrieve meeting organiser’s timezone
  • Suggest manual start of Outlook if OGCS not permitted
  • G->O: Allow synced items to be assigned specific category (not just colour)
  • Added option for users to automatically feedback errors

:beetle: Bugfix

  • Google token expiry not calculated in UTC
  • Regression: Properly release Outlook if no Outlook GUI

v2.7.4.0 - Alpha

:high_brightness: Enhancements

  • Sync colours / categories
  • Option to force particular colour for synced items
  • Collapsible sections added to Sync Options configuration screen

v2.7.3.0 - Alpha

:high_brightness: Enhancements

  • Improved Push sync mechanism
  • General error handling improvements
  • First code-signed release of OGCS! (Should reduce and finally eliminate anti-virus false positives)

:beetle: Bugfix

  • Cope with copy and paste of Outlook appointments
  • Stop Push syncs continually firing

v2.7.2.0 - Alpha

:high_brightness: Enhancements

  • Handle Apple iCloud changing immutable Outlook IDs
  • Option to not sync Outlook invites you have yet to responded to
  • Command line parameters to support multi-instance OGCS
  • Detect Windows system timezone changes

:beetle: Bugfix

  • Only redirect to wiki once per COM error
  • Turn on support for TLS1.1 and 1.2 (GitHub removed support for TLS1.0)

v2.7.1.0 - Alpha

:high_brightness: Enhancements

  • Google DLLs updated to latest releases; extraneous DLLs removed
  • Better ability to cancel a running sync
  • OGCS stays responsive whilst Oauth process takes place; can be cancelled
  • Code refactor to better prepare for future developments

:beetle: Bugfix

  • Translate annual recurrences into 12 monthly recurrences (Google apps work with this better)
  • Disconnection of Google account
  • Increase tolerance of when to compare recurring series exceptions
  • Fixed CSV file creation and format issues

v2.7.0.0 - Beta

:spiral_notepad: If upgrading from v2.6.0, this release will require you to reauthorise OGCS to make changes to your Google calendar.
:pushpin: If you are using your own API key, you will need to enable Google+ in your project.

:high_brightness: Enhancements rolled in from Alpha releases

  • Sync output now HTML, not plain text!
  • Ability to set all synced items as “Available” in target calendar
  • Option to cloak Google Event attendee email addresses (prevent Google sending unwanted notifications)
  • New upgrade alert window containing “What’s New?” improvement details + option to skip a release.
  • Help/F1 to see online user guide.
  • Google authorisation process streamlined - no longer needs manual copy+paste of code.
  • If Outlook address book (GAL) blocked by corporate policy, remove OGCS features in order that basic sync works.
  • Only access GAL on start-up if user requested sync of meeting attendees (which can trigger Outlook security pop-up).
  • Don’t block subsequent scheduled syncs if network drop out caused transient failure.
  • Show categories from alternative mailboxes
  • More reliable setting of next sync + restarting push sync.
  • Remove user configuration files upon uninstall
  • Feedback on settings Save button
  • Skip sync of appointment body/description, if access is denied
  • Cope with Google still using obsolete Calcutta timezone.
  • Additional info/tip when changing “What” attributes to be synced.
  • Handle Outlook and Google calendars being in different timezones.
  • Automatically invert category selection when changing between include/exclude.
  • New pseudo Outlook category “No category assigned”.

v2.6.6.0 - Alpha

:high_brightness: Enhancements

  • New upgrade alert window containing “What’s New?” improvement details.
  • Option to skip a release.
  • Help/F1 to see online user guide.
  • Don’t block subsequent scheduled syncs if network drop out caused transient failure.
  • Continue switch to MD5.

:beetle: Bugfix

  • Updating weekday recurrence interval back into Outlook.
  • Remember obfuscation sync direction.
  • Sync freezes if OGCS starts in notification tray.

v2.6.5.0 - Alpha

:high_brightness: Enhancements

  • Sync output now HTML, not plain text!
  • Change Sync button text when shift-clicking.

:beetle: Bugfix

  • Updating weekday recurrence interval back into Outlook.

v2.6.4.0 - Alpha

:high_brightness: Enhancements

  • Show categories from alternative mailboxes
  • More reliable setting of next sync + restarting push sync.
  • Improved upgrade experience + error handling
  • Remove user configuration files upon uninstall
  • Better calendar security

:beetle: Bugfix

  • Forgetting obfuscation rules
  • Filter on items with multiple categories may not work

v2.6.3.0 - Alpha

:high_brightness: Enhancements

  • Ability to set all synced items as “Available” in target calendar
  • Choose if all synced items or just created items are enforced as available and/or private.
  • Feedback on settings Save button
  • Skip sync of appointment body/description, if access is denied
  • Cope with Google still using obsolete Calcutta timezone.

Breaking Change

  • If items were already configured to sync as “Private”, this may need reconfiguring.

:beetle: Bugfix

  • Forgetting Add attendees setting
  • Give user feedback when manually checking for update

v2.6.2.0 - Alpha

:high_brightness: Enhancements

  • Option to cloak Google Event attendee email addresses.
  • Additional info/tip when changing “What” attributes to be synced.
  • Handle Outlook and Google calendars being in different timezones.
  • Automatically invert category selection when changing between include/exclude.
  • New pseudo Outlook category “No category assigned”.

:beetle: Bugfix

  • Detect copied Outlook items and remove OGCS metadata from copy.
  • Handle failure to update notification tray icon if not present.

v2.6.1.0 - Alpha

:spiral_notepad: This release will require you to reauthorise OGCS to make changes to your Google calendar.
:pushpin: If you are using your own API key, you will need to enable Google+ in your project.

:high_brightness: Enhancements

  • If Outlook address book (GAL) blocked by corporate policy, remove OGCS features in order that basic sync works.
  • Only access GAL on start-up if user requested sync of meeting attendees (which can trigger Outlook security pop-up).
  • Code refactor into new Authenticator class.
  • Google authentication no longer needs manual copy+paste of code.
  • GoogleAuthorizationCode form removed.
  • Replaced deprecated method to retrieve email address from authenticator’s account.
  • Removed CodePlex to Squirrel migration code.
  • Update Google Auth libraries to v1.6.0
  • Update Google Calendar library to v1.5.0.55

v2.6.0.0 - Beta

:boom: This release completes the migration to GitHub.

Enhancements Rolled in from Alphas

  • Handle startup errors better when Outlook is too busy to attach to.
  • Option to delay start of application upon login.
  • Suggest startup delay if Outlook still unresponsive after timeout.
  • Option to force all items as private in target calendar.
  • Notification bubble help for Outlook security pop-up.
  • Push users to wiki for COM errors for known fixes.
  • Updated bit.ly links to point to GitHub.
  • Added animated logo during installation.
  • Added logo to Control Panel > Uninstall Programs.
  • Reset settings to default if XML file corrupted.
  • Option to provide feedback when uninstalling.
  • Uninstalls CodePlex ClickOnce app.
  • All references to CodePlex removed.
  • Improved management of API keys.

v2.5.3.0 - Alpha

:high_brightness: Enhancements

  • Reset settings to default if XML file corrupted.
  • Notification bubble help for Outlook security pop-up.
  • Handle startup errors better when Outlook is too busy to attach to.
  • Suggest startup delay if Outlook still unresponsive after timeout.
  • Push users to wiki for COM errors for known fixes.
  • Updated bit.ly links to point to GitHub.

:beetle: Bugfix

  • Handle Outlook calendars with the same name in a mailbox.
  • Only set annual recurrence if INTERVAL > 1
  • Subject obfuscation failing

v2.5.2.0 - Alpha

:high_brightness: Enhancements

  • Option to force all items as private in target calendar.
  • Option to delay start of application upon login.
  • Added animated logo during installation.
  • Added logo to Control Panel > Uninstall Programs.

:beetle: Bugfix

  • No log file for startup on login / Squirrel start.
  • Set a default sync direction on virgin install.

v2.5.1.0 - Alpha

:high_brightness: Enhancements

  • First native GitHub release (using Squirrel). :tada:
  • Option to provide feedback when uninstalling.
  • Uninstalls CodePlex ClickOnce app.
  • All references to CodePlex removed.
  • Improved management of API keys.

:beetle: Bugfix

  • Continual retry to delete recurring all-day events
  • Failure to retrieve master for Google recurring event.
  • Saves failing to Google after adding calendar ID to event.
  • Cannot find shared Outlook folder.
  • Catch failure when checking for update on GitHub.
  • DND for reminders.

v2.5.0.0 - Beta

:boom: This will be the final1 CodePlex release before we move home to GitHub.


Bugfix Release on CodePlex/ClickOnce

  • Pass explicit Squirrel install path (not relative to ClickOnce): show-stopper for moving to Squirrel installer.
  • Determining if annual recurrence is within sync range.
  • Refresh dirty cache of master recurring event.
  • Reset settings to default calendar if shared calendar not found.
  • Convert recurring series end dates in 4500 AD to “no end” date.
  • Catch error when checking for GitHub update.
  • Adding omitted Squirrel DLL library files.

1The final final release. Ahem. :blush:

v2.4.0.0 - Beta

:boom: This will be the final CodePlex release before we move home to GitHub.
:spiral_notepad: .NET Framework 4.5 is now required.

Enhancements Rolled in from Alphas

  • Timezone database moved to separate file that auto-updates itself
  • Workaround Alexa GMT timezone offset problem.
  • Double-click “About” paths to open.
  • Donors can hide the splash screen!
  • Exclude cancelled Google Events from sync.
  • If API quota exhausted, postpone next sync until new quota available (08:00 UTC)
  • 3-way sync supported! (Eg, central Google cal syncing to 2 Outlook calendars).
  • Now saves entryID, globalID and calendarID for watertight comparison.
  • CSV exports now include these extra IDs.
  • Added option to use own Google API keys (thanks ixe013).
  • Allow sync range >365 days if using personal API keys.
  • Handle “Start on startup” error if user doesn’t have rights to update registry
  • Double-click on tray icon during sync will no longer abort sync.
  • Detect if OGCS and Outlook are running at different security elevations (1 as Administrator)
  • Alexa timezone issue backported to Outlook 2003.
  • Temporarily add forceSave attribute to items that must be saved (eg GUID attributes populated).
  • Default to not sync attendees.
  • Tooltip warning added for syncing attendees.
  • Added ability to sync a shared calendar.
  • Improved reporting of calendar items which could not be created/updated in Google.
  • Allow single quotes at start/end of email address local-part
  • Allow sync of calendar from any Outlook folder/store (instead of just by mail account).
  • Progress bar added when retrieving Outlook calendars (can take a while).
  • Get exact error message when failed to retrieve refresh token & improved advice.

v2.3.6.0 - Alpha

:spiral_notepad: Final .NET Framework v3.5 release.


:beetle: Bugfix

  • Could not access settings.xml file concurrently.

v2.3.5.0 - Alpha

:high_brightness: Enhancements

  • Exclude cancelled Google Events from sync.
  • If API quota exhausted, postpone next sync until new quota available (08:00 UTC)
  • Handle “Start on startup” error if user doesn’t have rights to update registry
  • Double-click on tray icon during sync will no longer abort sync.
  • Detect if OGCS and Outlook are running at different security elevations (1 as Administrator)
  • Alexa timezone issue backported to Outlook 2003.

:beetle: Bugfix

  • Handle Outlook recipients with no AddressEntry.Type
  • Hiding of splash screen.
  • Recurrence for “last day of month” O->G
  • GDI+ errors on Outlook setting tab.

v2.3.4.0 - Alpha

:high_brightness: Enhancements

  • Temporarily add forceSave attribute to items that must be saved (eg GUID attributes populated).
  • Default to not sync attendees.
  • Tooltip warning added for syncing attendees.
  • Framework for providing pool of API keys. Google are getting grumpy about quota.
  • Added ability to sync a shared calendar.
  • Removed EWS configuration.
  • Disabled Alternate Mailbox and Shared Calendar options for Outlook2003.

v2.3.3.0 - Alpha

:high_brightness: Enhancements

  • Workaround Alexa GMT timezone offset problem.
  • Donors can hide the splash screen!
  • 3-way sync supported! (Eg, central Google cal syncing to 2 Outlook calendars).
  • Now saves entryID, globalID and calendarID for watertight comparison.
  • CSV exports now include these extra IDs.
  • Improved use of HRresult error codes and hex values.
  • Improved reporting of calendar items which could not be created/updated in Google.

:beetle: Bugfix

  • Handle Outlook recipients with no valid email better.
  • Handle regex against appointments with null Subjects
  • Subscription expiry/rollover

v2.3.2.0 - Alpha

:high_brightness: Enhancements

  • Only match “data” element of Outlook global ID
  • Timezone database moved to separate file that auto-updates itself
  • Allow single quotes at start/end of email address local-part
  • Log exception type and code number for errors (need to remove reliance on English error message text)

:beetle: Bugfix

  • Skip corrupted items and inform user of the problematic item(s)
  • Skip recurring iCalendar Events that have no RRULE - Outlook does not support them.
  • Handle non-Exchange recipients with no AddressEntry.
  • Ensure notification tray icon is initialised before using it for LogBox errors.
  • Mark cached Event exceptions dirty when master is updated.
  • Syncing to Outlook may cause some items to be deleted incorrectly.

v2.3.1.0 - Alpha

:high_brightness: Enhancements

  • Allow sync of calendar from any Outlook folder/store (instead of just by mail account).
  • Progress bar added when retrieving Outlook calendars (can take a while).
  • Added option to use own Google API keys (thanks ixe013).
  • Customise Google API error message back to user.
  • Allow sync range >365 days if using personal API keys.
  • Double-click “About” paths to open.
  • Updated NodaTime.dll
  • Get exact error message when failed to retrieve refresh token & improved advice.

:beetle: Bugfix

  • Sync recurring annual if month is within sync range
  • Regression - don’t always do dummy update for Appointments

v2.3.0.0 - Beta

Enhancements Rolled in from Alphas

  • Enable, disable, delay sync options added to right-click task-tray menu.
  • Added DND time range for reminders in Google.
  • Purge log files older than 30 days.
  • Ability to filter Outlook categories.
  • Right-click menu added to Outlook category filter checkboxlist.
  • Close handle to Outlook if application not running in foreground.
  • Improved instantiation of Outlook if not already running.
  • Handle empty settings.xml file.
  • Sync timezones properly.
  • Proxy improvements.
  • Capture error when G revokes token.
  • Give hint the sync summary is NOT the logfile.
  • Improve button and tab background colours.
  • Catch COM / DLL exceptions.
  • Improved handling of old IANA timezones (eg. Calcutta/Kolkata)
  • Improved display at >100% display magnification
  • Added “Auto Sync” menu to right-click. Includes option to delay next sync.
  • Sync timer code reorganised into class.
  • Improved exportToCSV functions.
  • Shift-click Sync button to force a compare of all items (not just if recently modified).
  • Treat Events with null or public visibility as “default”.

v2.2.5.0 - Alpha

:high_brightness: Enhancements

  • Don’t keep Outlook open in background if application wasn’t running in foreground.
  • Improved instantiation of Outlook if not already running.
  • Handle empty settings.xml file.

:beetle: Bugfix

  • Error updating recurrence exception in Google.

v2.2.4.0 - Alpha

:high_brightness: Enhancements

  • Right-click menu added to Outlook category filter checkboxlist.
  • Sync timezones properly.
  • Proxy improvements.
  • Rework of COM handling for Outlook objects.

:beetle: Bugfix

  • Sync reminders setting saves correctly.
  • Sync “no end date” recurring attribute.
  • Caching problems with Outlook items.

v2.2.3.0 - Alpha

:high_brightness: Enhancements

  • Capture error when G revokes token.
  • Ability to filter O categories.
  • Give hint the sync summary is NOT the logfile.

:beetle: Bugfix

  • Remember “custom O date format” setting.
  • Remember “description O->G only” setting.
  • Properly release O recurrence COM references.
  • Cater for difference in recurrence UNTIL values (ICS vs MS)

v2.2.2.0 - Alpha

:high_brightness: Enhancements

  • Added “Auto Sync” menu to right-click. Includes options to delay next sync.
  • Sync timer code reorganised into class.
  • Don’t delete reminders in O if not synced to G due to DND.
  • Improve button and tab background colours.
  • Catch COM / DLL exceptions.
  • Purge log files older than 30 days.
  • Improved handling of old IANA timezones (eg. Calcutta/Kolkata)
  • Improved display at >100% display magnification

:beetle: Bugfix

  • Don’t throw away Event after updating it
  • Don’t show program in alt-tab when minimised to task tray
  • Handle pseudo all-day events (midnight to midnight times)

v2.2.1.0 - Alpha

:high_brightness: Enhancements

  • Added DND time range for reminders in Google.
  • Improved exportToCSV functions.
  • Shift-click Sync button to force a compare of all items (not just if recently modified).

:beetle: Bugfix

  • Retrieve original yearly recurrence outside of sync range.
  • Recalculate sync range on every sync, not just load/settings update.
  • G->O for recurrence exception not syncing.
  • Re-select the right Outlook calendar when re-connecting to Outlook.
  • Store OGCSlastModified as culture invariant date in Google.

v2.2.0.0 - Beta

Enhancements Rolled in from Alphas

  • Now supports 64bit Outlook.
  • Changed from using Startup menu shortcut to registry key.
  • Improved error handling during sync.
  • Mention OGCS in version update alert.
  • Handle API daily limit being exhausted.
  • Added option of subscribing for guaranteed API quota.
  • Added option to use Google calendar default notification.
  • “About” tab includes config file location.
  • “About” tab now shows location the executable is running from.
  • Show tray icon after MainForm initialised.
  • Get on initialising during splash screen.
  • Ignore Google events without basic attributes (eg start date)
  • Ultra-Fine logging level added.
  • Mask email addresses unless logging at Ultra-Fine level.
  • Handle MeetingItems as well as AppointmentItems.
  • Discard items without a date range.
  • Required permissions now include Google user ID.
  • Make proxy, push sync and start on startup take effect without saving.
  • New abort method to kill background sync.
  • Added links to TroubleShooting Help section.
  • Minimum of 10 mins sync interval.

v2.1.5.0 - Alpha

:high_brightness: Enhancements

  • Improved error handling during sync.
  • Now supports 64bit Outlook.
  • Changed from using Startup menu shortcut to registry key.
  • Mention OGCS in version update alert.
  • Added option to use Google calendar default notification.
  • “About” tab includes config file location.

:beetle: Bugfix

  • Select correct Outlook calendar on reconnect (x-thread compliant).
  • Ensure we have an Google username before subscribing.
  • Make splash screen disappear no matter initialisation state.
  • Remove cancelled recurrence in G not yet accepted by recipient in O.

v2.1.4.0 - Alpha

:high_brightness: Enhancements

  • Show tray icon after MainForm initialised.
  • Get on initialising during splash screen.
  • Sync occurrences attribute of recurrence.
  • Ignore Google events without basic attributes (eg start date)

:beetle: Bugfix

  • Don’t keep recreating startup short cut.
  • Failure to obtain recipient email address.
  • Handle transient “401 Unauthorised” API errors.
  • Push registration happening twice during app initialisation.
  • G->O syncing to wrong calendar if Outlook’s restarted.
  • G->O update recurrence pattern before start/end dates.

v2.1.3.0 - Alpha

:high_brightness: Enhancements

  • Ultra-Fine logging level added.
  • Mask email addresses unless logging at Ultra-Fine level.
  • Handle MeetingItems as well as AppointmentItems.
  • Discard items without a date range.

:beetle: Bugfix

  • Allow recipient emails to start with underscore.
  • Error when no subscribers.
  • Remove single quote marks around an email address.
  • Updating Outlook date range for non-recurring items.

v2.1.2.0 - Alpha

:high_brightness: Enhancements

  • Adding AbortableBackgroundWorker.cs
  • Handle API daily limit being exhausted.
  • Added option of subscribing for guaranteed API quota.
  • Required permissions now include Google user ID.
  • “About” tab now shows location the executable is running from.

:beetle: Bugfix

  • Handle appointments with no end date.
  • Interval of >1 hour not working properly.
  • Merging items G->O not reliable.

v2.1.1.0 - Alpha

:high_brightness: Enhancements

  • Use application name for shortcut link.
  • Make proxy, push sync and start on startup take effect without saving.
  • New abort method to kill background sync.
  • Added links to TroubleShooting Help section.
  • Minimum of 10 mins sync interval.

:beetle: Bugfix

  • Force sync of exceptions when creating recurring event.
  • Google signature when event has no start/end time.
  • Prevent concurrent syncs (push + manual).
  • Error when updating an event just migrated from appointmentID to globalID.
  • Not syncing annual recurrences with month falling within sync range.
  • G->O switching to/from all-day events.
  • rRule UNTIL value may not include time.
  • G->O item comparison logic causing duplicates.

v2.1.0.0 - Beta

Enhancements Rolled in from Alphas

  • Added in 2-way synchronisation.
  • Major development to properly sync recurring items.
  • Added option to obfuscate/mask calendar’s subject.
  • Back-off if hit Google API limit calls/user/second.
  • Balloon click after sync shows sync log screen.
  • Surfaced Outlook date formatting in UI for user configuration.
  • Responding to Outlook invites no longer causes Google event to be recreated.
  • Added “minimise instead of close” as configurable setting.
  • Menu added to notification tray.

v2.0.6.0 - Alpha

:high_brightness: Enhancements

  • Balloon click after sync shows sync log screen.
  • Proper API backoff when limit hit.
  • Simplified and more efficient mechanism to reprocess Events affected by attendee API limit.

:beetle: Bugfix

  • Outlook date format initialisation.
  • Inadvertently making non-recurring events recurring.
  • Handle empty timezone strings.
  • Recurring weekly events on 1< day of the week.
  • Repeated processing of affected Events while limit still in effect.

v2.0.5.0 - Alpha

:beetle: Bugfix

  • Reliably get Appointment ID across all versions of Outlook
  • Custom code to determine if recurring Outlook exception has been deleted (unreliable API)

v2.0.4.0 - Alpha

:high_brightness: Enhancements

  • Surfaced Outlook date formatting in UI for user configuration.
  • Explicitly attach to Outlook process if already running.
  • Better exception handling when reconnecting to Outlook.

v2.0.3.0 - Alpha

:high_brightness: Enhancements

  • Responding to Outlook invites no longer causes Google event to be recreated.
  • Added better Google ExtendedProperty accessors.
  • Retrieve specific Google event if already know Event ID (for recurring master) - 2way sync enhancement.

:beetle: Bugfix

  • Don’t release Outlook items prematurely, if 2way sync.
  • New way of specifying Outlook date range - better support for non-English regions.
  • Handle release version numbers with parts >9 when checking for update.

v2.0.2.0 - Alpha

:high_brightness: Enhancements

  • Explicitly dereference Outlook objects and GC on close.
  • Improved error handling when user requests cancel of sync on error.
  • Cache Google exceptions when retrieved outside of sync date range.
  • Use modification time when comparing recurring Event exceptions.

:beetle: Bugfix

  • Cancel sync if requested after an error.
  • G->O Handle null timezones events.
  • Getting Outlook recurrence exception if moved and deleted.
  • Logic to detect if new version available.
  • Start in tray crashes application when shown.

v2.0.1.0 - Alpha

:high_brightness: Enhancements

  • Notification tray icon:-
    • Show bubble when minimising to tray.
    • Click bubble to suppress future notifications.
    • Single click to show application.
    • Double click to start a sync.
    • Right click for menu.

:beetle: Bugfix

  • Syncing from notification tray icon when window minimised.
  • Handle exception and reinitialisation of correct Outlook calendar if Outlook is restarted.
  • Error on startup if offline and MAPI calendar folder unavailable.
  • Recurring events
    • Syncing deleted exceptions from O->G.
    • Syncing exceptions with original date outside sync range.
  • Flickering when restoring window.

v1.2.6.6 - Alpha

:high_brightness: Enhancements

  • Major development to properly sync recurring items.
  • Added “minimise instead of close” as configurable setting.
  • Handle appointment timezone info in all Outlook versions.
  • Compare iCal recurrence elements individually (not entire string).
  • Retrieve “master” Google events starting before sync date range.
  • Compare Google recurrence pattern to Outlook when updating.

:beetle: Bugfix

  • Obfuscation - fonts and saving settings.
  • Duplication of recurring events.

v1.2.6.5 - Alpha

:high_brightness: Enhancements

  • Menu added to notification tray icon.
  • Closing window does not exit application if minimising to notification tray.

:beetle: Bugfix

  • Improve building of fake email address when none available.
  • Update check now uses proxy

v1.2.6.2 - Alpha

:high_brightness: Enhancements

  • Added option to obfuscate/mask calendar’s subject.

v1.2.6.1 - Alpha

:high_brightness: Enhancements

  • Added in 2-way synchronisation.
  • Protect against Outlook RTF descriptions being reformatted in Google and then trampling back into Outlook.
  • Back-off if hit Google API limit calls/user/second.

:beetle: Bugfix

  • Continues on failure of sync.

v1.2.6 - Beta

:high_brightness: Enhancements

  • Rework for exception handling - continue sync if single appointment fails.
  • Better notification bubble messages.
  • Automatically check for updates (including alphas for ZIP deployments).
  • More logging around Google authentication.
  • Improved logging during application startup.
  • Added social features (G+, twitter) & anonymous stats.

:beetle: Bugfix

  • Skip unavailable calendar folders if Exchange disconnected. (Thanks azmodan2k)
  • Truncation of Google descriptions to 8Kb
  • Default values on settings.xml deserialisation.
  • Don’t close Outlook items when reclaiming orphans
  • Handle default Settings values better + don’t error on unknown xml attributes.
  • Miscellenous errata.

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