How to Fix Outlook Calendar Not Syncing Issue? – Problem Solved!

Ritu Roy | fix How to's Outlook Software Technology | 6 minutes read | Modified on: 16-11-2023
Fix Outlook Calendar Not Syncing

Summary: This article will explain how to fix Outlook calendar not synching issues. We’ll also talk about other issues surrounding the situation, such as its cause. Thus, continue reading the article in its entirety.

Outlook shared calendars may not sync for a number of reasons. We’ll go over the causes of the shared calendar not synchronizing with Outlook in this guide. We’ll also offer the fixes to troubleshoot and fix the issue.

The desktop mail client MS Outlook comes highly recommended. It offers several outstanding features with excellent performance and simplicity. This program offers more than just mailing services; it also has tasks, calendars, contacts, and other tools to make your work easier.

Although Outlook is a great program, users can run into a number of problems with it occasionally. The Outlook calendar not updating issue is one of these issues.

You can now use various approaches to remedy the issue. Let’s first examine the causes of the problem.

Read More: Guide to Fix Outlook Slow Performance

Typical Causes of Shared Calendar Issues with Outlook Sync

The common causes of the problems with shared calendar synchronization are listed below.

  • Inadequate internet or network connectivity
  • Inaccurate or improperly configured calendar-sharing preferences
  • Older Outlook or problems with Windows Sync
  • Excessive or irregular Outlook temporary files and cache (.ost)
  • Clash with other applications, like antivirus
  • Incompatible or defective add-ins
  • Outlook profile corruption or damage Issues with shared calendar permissions

Methods for Troubleshooting and Resolving the Issue of the Shared Calendar Not Syncing with Outlook

The steps to troubleshoot and resolve the shared calendar syncing issue with Outlook are listed below.

Note: To fix Outlook syncing problems and get back access to shared calendars, follow the steps in the specified order.

#1. Verify Internet and Network Connectivity

An unstable network connection may cause Outlook and the shared calendar to stop syncing. Take the actions listed below to examine and enhance your network:

  • Restarting the modem or router can sometimes fix problems with network connectivity. Just turn the router off, wait ten seconds, and then turn it back on.
  • If you are experiencing problems with your network connection, try switching from a wireless (Wi-Fi) connection to a wired one (Ethernet/RJ45). This will remove any possible wireless interference.
  • Contact your internet service provider right away if the internet is still down. Request that they check your area for any network outages or problems and restore internet connectivity.

You can move on to the other advanced troubleshooting solutions once you have a reliable and consistent network connection.

#2. Refresh the Common Schedule

You can fix any short-term syncing problems by resyncing the shared calendar. These are the steps to follow:

  • Click the Calendar when Outlook is open.
  • Next, choose Delete Calendar from the context menu when you right-click on the shared calendar that is giving you synchronization problems.
  • Close Outlook after confirming the deletion, if prompted.
  • Navigate to the Calendar section after restarting Outlook.
  • To sync a shared calendar with Outlook, click the Open Calendar button in the top ribbon menu, select From Address Book Locate, and then click OK.
  • Next, select Send/Receive all folders under the Send/Receive tab.

Verify that the shared calendar and Outlook are now synchronizing correctly.

#3. Update Windows and Outlook.

Using out-of-date versions of Outlook or associated software may cause sync and compatibility problems. Make sure to update your Outlook client and Windows operating system to ensure seamless synchronization. The following are the steps:

  • To update now, open Outlook and select File > Office Account > Update Options. In order to find any updates, do this.
  • To download and install the most recent Outlook updates, keep following the on-screen directions. Get and install the most recent Windows update if the update option isn’t available. This could download the updates for Outlook and resolve the shared calendar synchronization issue.
  • Restart your computer after the update, then launch Outlook. Verify that the shared calendar is now correctly syncing.

#4. Remove All RoamCache Files

Cache and temporary file accumulation can cause sync errors and other problems by interfering with Outlook’s synchronization process. The problem may be solved by deleting these files.

The following are the steps to delete the temporary files:

  • Shut down Outlook and any associated programs. Verify that Lync, Skype for Business, Outlook, or any other connected application is not operating in the background.
  • To access %temp%, type it without quotes by pressing Windows Key + R, then hit Enter.
  • Make a selection of every file and folder in the Temp folder, then remove it.
  • Once more, press Windows + R, type %appdata% (no quotes), and select OK. Eliminate every temporary file and folder associated with Microsoft Office.
  • Once again, press Windows + R, type %localappdata/Microsoft/Outlook, and hit Enter. This will cause the RoamCache folder’s location to open. Remove it or give it a new name, RoamCache_Old.
  • After restarting your computer, open Outlook once more. Verify that the shared calendar is now correctly syncing. If the problem still doesn’t go away, move on to the next fix.

#5. Check the Calendar Sharing Preferences

Outlook may not sync with a shared calendar if the Outlook settings are incorrect or misconfigured. To confirm and make the required adjustments, take these actions:

  • Click the Calendar icon in Outlook once it is open.
  • After choosing the shared calendar that isn’t syncing, select Share > Calendar Permission.
  • Verify that the calendar is set with the appropriate sharing permissions. Modify the permissions to enable Outlook syncing if needed.
  • Next, select the Synchronisation tab in order to review the filters. Click Apply > OK to exit and save the changes.
  • In the end, restart Outlook. Verify that the shared calendar is now synchronizing correctly.

#6.  Fix or Reinstall Microsoft Office Outlook

You can resolve any problems with the Outlook program files or DLL files that may be missing or damaged and causing synchronization problems in the Outlook program by fixing or reinstalling Microsoft Office.

Use these steps to fix Outlook (MS Office):

  • Select Program & Features > Uninstall a program from the Control Panel after it has opened.
  • Select Microsoft Office from the list of available programs and click Modify.
  • Proceed with the on-screen instructions to fix Outlook and Microsoft Office.  

In the event that repair was unable to resolve the issue, you ought to remove Outlook and reinstall it.

#7. Turn off Add-Ins

In Outlook, one of the most frequent causes of conflicts and problems is incompatible or defective add-ins. This issue might have been the cause of the shared calendar synchronization problem. To learn more, take these actions:

  • To open Outlook in safe mode, close Outlook (if it’s open), hit Windows + R, type Outlook.exe /safe, and click OK.
  • Next, select File > Options.
  • Click Go after selecting Add-ins from the sidebar on the left.
  • In order to disable the add-ins, make sure to uncheck every item on the list and click OK.
  • Once the add-ins are disabled, restart Outlook as usual.

After that, see if the error has been fixed. To permanently resolve the issue, locate and remove the problematic add-in if the shared calendar is syncing.

After starting Outlook normally, turn on one add-in. Check if the synchronization is functioning after restarting Outlook. The add-ins are to blame if the synchronization breaks right after activating any of them. Take it out of Outlook.

#8. Make a Fresh Account

You can replace your corrupted or damaged Outlook profile, which might be stopping Outlook from syncing the shared calendar items, by making a new one. To create a new profile in Outlook, follow these steps:

  • After closing Outlook, launch the Control Panel.
  • Select Mail under User Accounts.
  • After selecting the Show Profiles button, select Add.
  • To create a new profile, enter any name. Press OK.
  • Use the same email address to log in by following the prompts on the screen.
  • After logging in, open Outlook again.
  • Select your new profile from the dropdown menu, then click OK.

Outlook will sync all of its mail items from the mailbox server and load a brand-new profile. Once the synchronization is functioning properly, you can delete the previous Outlook profile.

The Final Word!

Problems with Outlook’s shared calendar syncing are serious because they can cause missed team meetings, appointments, or planned phone calls. It’s imperative to find a quick solution to the problem as a result. This thorough guide offered some practical fixes for the shared calendar not syncing with Outlook problem. You can use an OST to PST converter program, like CubexSoft OST Converter, to recover all of your mail items—including shared calendar items—should your OST file become unusable.