7 Best Ways to Fix Outlook for Mac Not Syncing

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Note: Before moving on to the fixes, ensure that your Exchange account credentials are correct so that the Outlook for Mac app can sync properly.

Fix 1: Ensure the Internet Is Working On Your Mac

With a poor internet connection, Outlook will not sync with your Exchange Server application. Therefore, the first and most important thing to ensure before moving on to the next method is whether you have a good and stable internet connection.

Fix 2: Unselect the Work Offline Option From Outlook Settings

The most common reason for Outlook not syncing on Mac is that you may be working in offline mode. Thiswill not let you send emailsor receive them, and your Apple mail will not sync with the Exchange server. Follow the steps below to fix this.

Step 1: Press theCommand + Space, typeOutlook, and pressReturn.

Step 2: On the top left corner, click onOutlook.

Step 3: From the drop-down menu, uncheck theWork Offlineoption.

That’s it. With this, your Outlook for Mac should be able to sync without any issues. If it still doesn’t, jump to the next method.

Fix 3: Check and Confirm Exchange Connectivity

Step 1: Press theCommand + Space, typeOutlook, and pressReturn.

Step 2: Go toToolsfrom the top menu.

If there is an orange indicator against the existing Exchange account, it indicates some issues with the account. To fix this, you will need to disconnect and reconfigure the account. Continue with the steps.

Step 3: Select theaccountand click the– (minus) iconat the bottom.

Step 4: From the pop-up, click on theSign Outbutton.

With this, you will be signed out of Outlook. Now, log back in using the account credentials. Once you log in, the issue will be resolved. If, for some reason, it didn’t, the next method may help.

Fix 4: Restart the Sync Services Agent Using Activity Monitor

Note: Quit the Outlook app on Mac before moving to the below steps.

Step 1: OpenFinderand click onApplications.

Step 2: Under Applications, scroll down to find and click onUtilities.

Step 3: Now, click onActivity Monitor.app.

Step 4: Go to the Process Name tab, tap onSync Services Agent, choose the process, and click theQuitoption.

There you go. Now, close the activity monitor and open the Outlook app. The sync issue should have been fixed.If you don’t see Sync Services Agent, it’s not an issue; moveto the next method.

Fix 5: Clear Outlook Mail Cache From Your Mac

Note: Ensure your Mac is connected to the internet. Additionally, Microsoft’s official support page shows the steps for emptying thecache for specific folders; however, that option isn’t available anymore.

Step 1: Press theCommand + Space, typeOutlook, and pressReturn.

Step 2: Go toToolsfrom the top menu.

Step 3: From the drop-down menu, selectAccounts.

Step 4: In the Accounts tab, click on thethree-dot icon.

Step 5: From the drop-down, selectReset Account.

In the prompt, click Restart Now.

With this, you have successfully cleared your Outlook cache. Once you launch the Outlook app again, it will re-download emails from the server. This should sort out the syncing issue. If it doesn’t, move to the next method.

Fix 6: Rebuild the Database Using Outlook Profile Manager

Note: Make sure you quit the Outlook app on your Mac before beginning the steps.

Step 1: Go toFinderand click onApplications.

Step 2: Right-click on theMicrosoft Outlook appand selectShow Package Contents.

Step 3: Click open theContentsfolder and navigate to theSharedSupportfolder.

Step 4: Double-click on theOutlook Profile Manager.appapp.

Step 5: In the Outlook Profile Manager window, click the plus(+) buttonto create a new profile.

Step 6:Right-clickon the Profile and selectSet as Default. Now, close the window.

Step 7: Press theCommand + Space, typeOutlook, and pressReturn.

You will see a blank application, so go ahead and enter your account credentials. You will be good to go. This method should fix the syncing issue. If it didn’t, jump to the next method.

Fix 7: Update the Outlook App on Your Mac

If you have tried all the solutions mentioned above but still couldn’t fix the issue, chances are you are using an outdated Outlook version on Mac.

Note: If you have downloaded the Outlook app through the App Store, you can directly update the app from the App Store. The below method will not work for you.

Step 1: Open theMicrosoft Outlook appon your Mac.

Step 2: Click onHelpin the top menu bar.

Step 3: SelectCheck for Updatesfrom the drop-down menu.

Step 4: Next, clickUpdatenext to Microsoft Outlook.

Note: Check the box that says Automatically keep Microsoft Apps up to date.

Download and install the updates, and restart the Outlook app. With that, the syncing issue should have been resolved. If you have any further queries, check out the next section.

FAQs on Fixing Outlook Not Syncing on Mac

One of the most effective ways to force Outlook to resync on a Mac is to reopen the Outlook app.

The synchronization of Outlook may take a long time due to several factors, such as a slow internet connection, incorrect account settings, large mailboxes, viruses or malware, firewall settings, add-ins, and incorrect proxy settings.

The fixes mentioned above should resolve Outlook for Mac’s not syncing issue. However, if none of the fixes mentioned above work, you can seek support fromMicrosoft supportto fix the issue.

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Last updated on 25 August, 2024

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