Outlook Calendar Not Syncing? Here’s The Fix!


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Outlook Calendar Not Syncing? Here’s The Fix!

Efficient calendar management is crucial for businesses to stay organized and ensure smooth collaboration among team members. However, issues with calendar syncing can disrupt workflow and lead to missed deadlines and miscommunication. If you’re a business owner or decision maker experiencing problems with Outlook Calendar not syncing, this comprehensive troubleshooting guide is here to help. We’ll explore the common causes behind this issue and provide step-by-step solutions to get your calendars back in sync.

Table of Contents

  1. Common Reasons for Outlook Calendar Not Syncing
  2. Check Network and Internet Connectivity
  3. Verify Calendar Sharing Settings
  4. Resync the Shared Calendar
  5. Update Outlook and Windows
  6. Clear RoamCache Files
  7. Disable Add-Ins
  8. Create a New Profile
  9. Rebuild Outlook (OST) Data File
  10. Switch to Wi-Fi (for iPhone users)
  11. Disable Airplane Mode (for iPhone users)
  12. Turn off Low Power Mode (for iPhone users)
  13. Restart Your iPhone (for iPhone users)
  14. Update Outlook Calendar App (for iPhone users)
  15. Make Sure You Are Logged into the Correct Outlook Account (for iPhone users)
  16. Check the Correct Calendar in the iOS Calendar App (for iPhone users)
  17. Fix Outlook Calendar Not Syncing with Office 365
  18. Fix Outlook Calendar Not Syncing with Google Calendar
  19. Conclusion

Common Reasons for Outlook Calendar Not Syncing

angry man with outlook calendar not syncing

Before delving into the solutions, it’s essential to understand the common causes behind Outlook Calendar not syncing. By identifying the root cause, you can troubleshoot more effectively. Some of the main reasons include:

  • Incorrect calendar selection for synchronization.
  • Outlook account not properly connected.
  • Misconfigured settings in third-party applications.
  • Data synchronization issues with the server.
  • Outdated versions of Outlook or Windows.
  • Oversized or inconsistent Outlook cache files.
  • Conflict with add-ins or incompatible applications.
  • Damaged or corrupt Outlook profile.
  • Permission issues related to shared calendars.

Now that you have a clearer understanding of the potential causes, let’s explore the step-by-step solutions to address the Outlook Calendar not syncing issue.

Check Network and Internet Connectivity

One of the primary causes of calendar syncing issues is an unstable network connection. To ensure smooth synchronization, follow these steps to check and improve your network:

  • Restart your router or modem: Power off the router, wait for 10 seconds, and then power it back on. This simple action can often resolve network connectivity issues.
  • Switch to a wired connection: If you’re using a wireless connection (Wi-Fi), consider switching to a wired connection (Ethernet/RJ45) to eliminate potential wireless interference that may be causing network issues.
  • Contact your internet service provider: If the internet is still not working properly, reach out to your internet service provider and ask them to check for any network outages or issues in your area.

Once you have a stable network connection, you can proceed with the troubleshooting steps for Outlook Calendar syncing.

Verify Calendar Sharing Settings

Incorrect or misconfigured Outlook settings for shared calendars can prevent Outlook from syncing properly. To verify and adjust these settings, follow these steps:

  • Open Outlook and click on the Calendar icon.
  • Select the shared calendar that is not syncing and then click on Share > Calendar Permission.
  • Ensure that the calendar has the correct sharing permissions set. If necessary, adjust the permissions to allow syncing with Outlook.
  • Check the synchronization filters by clicking on the Synchronization tab. Ensure that the filters are correctly configured.
  • Click Apply > OK to save the changes and exit.
  • Restart Outlook and check if the shared calendar is now syncing properly.

Resync the Shared Calendar

Sometimes, temporary syncing issues can occur, and resyncing the shared calendar can resolve the problem. Follow these steps to resync the shared calendar:

  • Open Outlook and click on the Calendar.
  • Right-click on the shared calendar with which you are experiencing the synchronization issue and select Delete Calendar.
  • Confirm the deletion if prompted and close Outlook.
  • Restart Outlook and go to the Calendar section.
  • Click the Open Calendar button in the top ribbon menu and choose From Address Book.
  • Locate and select the shared calendar you want to sync with Outlook and click OK.
  • Go to the Send/Receive tab and click Send/Receive all folders.
  • Check if the shared calendar is now syncing properly with Outlook.

Update Outlook and Windows

Using outdated versions of Outlook or related software can lead to compatibility and sync issues. To ensure smooth synchronization, it’s crucial to update your Windows OS and Outlook client. Follow these steps to update Outlook and Windows:

  • Open Outlook and go to File > Office Account > Update Options > Update Now.
  • This will check for any available updates. Follow the on-screen instructions to download and install the latest Outlook updates.
  • If the update option is unavailable, download and install the latest Windows update. This may also download Outlook updates and fix the synchronization problem with shared calendars.
  • After the update, restart your system and open Outlook.
  • Check if the shared calendar is now syncing properly.

Clear RoamCache Files

Accumulated cache and temporary files can interfere with the Outlook synchronization process and lead to sync errors and issues. Clearing these files can help resolve the problem. Follow these steps to clear the temporary files:

  • Close Outlook and all related processes. Ensure that Outlook or any linked apps (such as Skype for Business, Lync, etc.) are not running in the background.
  • Press Windows Key + R, type %temp% (without quotes), and press Enter.
  • Select all files and folders in the Temp folder and delete them.
  • Press Windows + R again, type %appdata% (without quotes), and click OK.
  • Delete all temporary files and folders related to MS Office.
  • Press Windows + R once more, type %localappdata/Microsoft/Outlook, and press Enter.
  • This will open the location where you will find the RoamCache folder. Delete it or rename it to RoamCache_Old.
  • Restart your computer and launch Outlook again.
  • Check if the shared calendar is now syncing properly.

Disable Add-Ins

Faulty or incompatible add-ins are common causes of conflicts and issues in Outlook. These add-ins can also interfere with calendar syncing. To identify and disable problematic add-ins, follow these steps:

  • Close Outlook (if running), press Windows + R, type Outlook.exe /safe, and click OK to open Outlook in safe mode.
  • Go to File > Options.
  • Navigate to the Add-ins section in the left-hand sidebar and click Go.
  • Untick all the listed add-ins and click OK to disable them.
  • After disabling the add-ins, restart Outlook normally.
  • Check if the shared calendar is syncing properly. If it is, remove the faulty add-in to fix the issue permanently.
  • Open Outlook normally and activate one add-in at a time. Restart Outlook and check if the synchronization is still working. If the issue reoccurs after activating a specific add-in, remove it from Outlook.

Create a New Profile

Creating a new Outlook profile can replace a corrupt or damaged profile that may be preventing calendar synchronization. Follow these steps to create a new Outlook profile:

  • Close Outlook and open the Control Panel.
  • Go to User Accounts > Mail.
  • Click on the Show Profiles button and then click Add.
  • Type any name for the new profile and click OK.
  • Sign in using your email account by following the on-screen instructions.
  • After signing in, restart Outlook.
  • From the dropdown, choose your new profile and click OK.
  • Outlook will load a new fresh profile and synchronize all mail items from the mailbox server.
  • If the synchronization starts working, you can remove the old profile from Outlook.


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Rebuild Outlook (OST) Data File

If creating a new profile didn’t resolve the issue, rebuilding the Outlook OST file may help. The OST file stores all mail items in an offline storage table. Follow these steps to rebuild the OST file:

  • Close Outlook and open the SCANPST.EXE tool.
  • The SCANPST.EXE file is located at “C:\Program Files\Microsoft Office\root\Office16”.
  • Select Browse to choose the Outlook Data File (.pst) you want to scan.
  • Choose Start to begin the scan.
  • If errors are found, choose Repair to fix them.
  • The scan creates a backup file during the repair process. You can change the default name or location of this backup file if needed.
  • When the repair is complete, start Outlook with the profile associated with the repaired OST file.

Switch to Wi-Fi (for iPhone users)

If you’re facing the Outlook Calendar not syncing issue on your iPhone, switching to a Wi-Fi connection can help resolve the problem. Follow these steps:

Disable Airplane Mode (for iPhone users)

If Airplane Mode is enabled on your iPhone, it can prevent proper data syncing, including Outlook Calendar. Follow these steps to disable Airplane Mode:

  • Go to your iPhone’s Settings.
  • Scroll down and tap on Airplane Mode.
  • If the toggle switch is green, tap it to turn off Airplane Mode.
  • Connect to a cellular or Wi-Fi signal.
  • Wait a few minutes and check if the Outlook Calendar is syncing properly.

Turn off Low Power Mode (for iPhone users)

Low Power Mode is activated when your iPhone’s battery is low. However, it can also affect calendar syncing. To turn off Low Power Mode, follow these steps:

  • Go to your iPhone’s Settings.
  • Tap on Battery.
  • If the Low Power Mode toggle switch is green, tap it to turn it off.
  • Check if the Outlook Calendar is now syncing properly.

Restart Your iPhone (for iPhone users)

outlook not syncing on iphone

A simple restart of your iPhone can sometimes resolve syncing issues. Follow these steps to restart your iPhone:

  • Press and hold the Power button (or the Side button, depending on your iPhone model) until the power off slider appears.
  • Slide the power off slider to turn off your iPhone.
  • Wait for a few seconds, then press and hold the Power button again until the Apple logo appears.
  • Check if the Outlook Calendar is now syncing properly.

Update Outlook Calendar App (for iPhone users)

If you’re using the Outlook Calendar app on your iPhone, updating the app can help resolve syncing issues. Follow these steps to update the app:

  • Open the App Store on your iPhone.
  • Tap on your profile picture in the top right corner.
  • Scroll down and find the Outlook app.
  • If an update is available, tap the Update button next to the app.
  • Wait for the update to complete.
  • Check if the Outlook Calendar is now syncing properly.

Make Sure You Are Logged into the Correct Outlook Account (for iPhone users)

Ensuring that you are logged into the correct Outlook account is essential for proper calendar syncing. Follow these steps to check and switch accounts if needed:

  • Go to your iPhone’s Settings.
  • Scroll down and tap on Passwords & Accounts.
  • Check if you are logged into the correct Outlook account. If not, tap on Add Account.
  • Follow the on-screen instructions to sign in with the correct Outlook account.
  • Check if the Outlook Calendar is now syncing properly.

Check the Correct Calendar in the iOS Calendar App (for iPhone users)

To ensure proper syncing between Outlook and the iOS Calendar app on your iPhone, make sure you have selected the correct calendar. Follow these steps to check the calendar settings:

  • Open the iOS Calendar app on your iPhone.
  • Tap on Calendars at the bottom center of the screen.
  • Check if the correct Outlook calendar is selected. If not, tap on the calendar to enable it.
  • Check if the Outlook Calendar is now syncing properly.

Fix Outlook Calendar Not Syncing with Office 365

If you’re using Microsoft 365 and experiencing the Outlook Calendar not syncing issue, follow these steps to fix it:

  • Open Microsoft Office 365 and go to Settings.
  • Under the Admin section, select Manage Users > User to setup.
  • Click the link “Click here to set up Office 365”.
  • Sign in to your Microsoft Office 365 account.
  • Go to the Enable Calendar Sync category and turn it on.
  • Visit the Microsoft Office 365 Account screen and select the Calendar option.
  • After completing these steps, your Outlook calendar should be successfully synced with Office 365.

Fix Outlook Calendar Not Syncing with Google Calendar

To resolve the Outlook Calendar not syncing issue with Google Calendar, follow these instructions:

  • Open the Microsoft Outlook application.
  • Enter the Settings menu and click on Google Account not syncing.
  • Follow the on-screen instructions to complete the synchronization process.
  • If the issue persists, consider re-adding your account from the settings menu.

Conclusion

Efficient calendar management is vital for businesses to maintain productivity and collaboration. However, when Outlook Calendar syncing issues arise, it can disrupt workflow and hinder effective communication. This troubleshooting guide has provided step-by-step solutions to address the Outlook Calendar not syncing problem. By following the recommended steps, business owners and decision makers can regain control over their calendars and ensure seamless synchronization. Remember to regularly update Outlook and Windows, check network connectivity, and verify sharing settings to prevent future syncing issues.

If you are still having issues, reach out to our team here at DataPerk!

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