1. Reset your computer
  2. Change your email provider
  3. Delete the Windows Mail folder
  4. Try a different email client

Ways to Fix Mail App Not Syncing Issue on Windows

Update Your Mail App

The Microsoft Store launches and the library icon is located at the bottom left. ..

If you are using Windows 10, click the Start button, type “update”, and then press Enter. If you are using Windows 8 or 8.1, open the Charms bar, click Search, and then type “update”. Windows will search for updates and show you the available updates. Click the update that you want to install. After the update is installed, restart your computer. ..

To update the Mail app only, find the Mail and Calendar option in the list and click on it. The download of the update should now begin.

After the update is complete, restart your PC.

Run the Windows Store Apps Troubleshooter

The built-in Windows Store troubleshooter will also allow you to correct bugs and other corruption errors within Microsoft Store apps. This tool will analyse your system for potential problems, find the faults, and then automatically install the patches. The Settings app’s Troubleshoot area is where you’ll discover the Windows Store Apps troubleshooter.

Re-Add Your Account

Select “Mail.”

To delete an account on a device, select the problematic account and click Delete account from this device. ..

Final Words

If you’re having problems with your Outlook Mail client not syncing, it may be because of a recent update to Windows 10 that you haven’t installed yet. Make sure you have the latest version of the OS and the Mail app installed so that you can get the most recent fixes. If those updates don’t help, then it may be worth updating your computer to Windows 10 and using an Outlook Mail client that’s been updated for the new operating system.