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Fix One-Way Calendar Sync Between Microsoft 365 and Android
Question details
The user needs to resolve an issue where calendar synchronization only works in one direction between their computer and mobile device.
- Product
- Microsoft 365 Calendar and Google Calendar
- Device & OS
- Windows PC and Android
- Scenario
- Keeping a unified daily schedule synchronized across desktop and mobile platforms.
- Observed behavior
- Calendar events sync from the Android phone to the PC, but events created on the PC fail to sync back to the Android phone.
Ensure both your PC and Android phone are connected to a stable internet connection and that you are logged into the exact same Microsoft or Google account on both devices.
Verify Account Permissions and Trigger Manual Sync
This solution ensures your mobile calendar has the necessary permissions to access your account data and forces a synchronization to pull events from the PC.
One-way synchronization often occurs when the mobile device has permission to push data to the server, but background syncing or read permissions are restricted, preventing it from pulling new data.
Open the Settings app on your Android phone, navigate to 'Accounts and backup' or 'Users & accounts', and select your Microsoft 365 or Google account. Ensure the toggle switch next to 'Calendar' is turned on.
Go to Android Settings > Apps > Calendar (or the specific calendar app you use). Tap on 'Permissions' and confirm that access to 'Calendar' is set to 'Allow'.
Open your calendar app on your Android device. Tap the menu icon (usually three horizontal lines) and tap 'Sync Now' or 'Refresh' to force the app to fetch events from the server.
Update Applications and Restart Devices
Updating your software resolves known bugs that may cause synchronization services to hang or fail in one direction.
Looking for a Lighter Alternative to Microsoft 365?
If you are tired of complex synchronization issues and heavy subscriptions, try WPS Office. It provides a lightweight, free alternative that covers all your essential productivity needs while offering excellent Microsoft format compatibility.
- 1. Download the Installer: Visit the official WPS Office website and download the free installer for your PC or mobile device.
- 2. Install WPS Office: Run the setup file and follow the simple on-screen instructions to complete the installation process.
- 3. Sign In to Sync: Log in with a free WPS account to instantly synchronize your documents and edits across your computer and mobile phone.
Frequently Asked Questions
Why are my Microsoft 365 calendar events not showing on my Android phone?
This is often caused by synchronization being disabled in the mobile device's account settings, battery saving features restricting the calendar app from refreshing in the background, or the devices being logged into different accounts.
How do I force sync my Microsoft 365 calendar on Android?
You can force a sync by opening your Android calendar app, tapping the main menu, and selecting the 'Sync Now' or 'Refresh' option. Alternatively, go to Android Settings > Accounts, select your Microsoft account, and tap 'Sync account'.
Does Google Calendar automatically sync with Microsoft 365?
Not natively by default. To sync them, you must either add your Microsoft 365 (Exchange) account directly to the Google Calendar app on your phone, or use a dedicated third-party synchronization tool to link the two calendars.
Can battery optimization settings affect calendar synchronization?
Yes. If your Android phone has aggressive battery optimization enabled, it may prevent the calendar app from fetching data in the background. You can fix this by going to Settings > Apps > Calendar > Battery, and selecting 'Unrestricted'.
