Mail App For Windows 10 Not Syncing

If you encounter syncing issues with the Mail app on your Windows 10 computer, then try some quick troubleshooting instructions given below. Before you perform the advanced methods, check if your Windows OS and apps are up-to-date. If not, update them and then perform the sync operation. 

Method 1: Checking the connectivity

  • Step 1: Make sure that your Windows 10 computer is connected to stable internet.
  • Step 2: Try to sync the mail app using the web.
  • Step 3: Send emails from another app or device.
  • Step 4: If you can’t set up the email on another app or device, then contact your email service provider to solve it.

Method 2: Disabling the security software temporarily

  • Step 1: If your Windows 10 firewall and security software are blocking the mail app, disable them temporarily.
  • Step 2: Now, try to sync the Mail app with your Windows 10.

Method 3: Disabling the Windows Defender Security Center

  • Step 1: If the sync issue persists, turn off the Windows Defender Security Center option.
  • Step 2: To do so, click Start.
  • Step 3: Open the Windows Defender Security Center application.
  • Step 4: Select the Fire and network protection option followed by the network profile.
  • Step 5: Disable the Windows Firewall option for the selected network profile.

Method 4: Allowing the Mail app to function via Windows Firewall

  • Step 1: Open the Windows Defender Security Center application.
  • Step 2: Select the Fire and network protection option followed by Allow an app through a firewall.
  • Step 3: Click the Change settings button.
  • Step 4: Now, a list of allowed applications and features will appear on the screen.
  • Step 5: Select the Mail & Calendar, Public, and Private options by clicking the checkbox beside them.
  • Step 6: Click the OK button.
  • Step 7: Now, check if the mail app syncs with your Windows 10 computer.