windows 11 mail app not working
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Microsoft’s built-in mail app is used by many to read and manage email accounts from multiple service providers. But sometimes you may experience the Mail app not working or the app doesn’t sync emails on Windows 11. This issue usually occurs while syncing Gmail and Yahoo accounts, including company emails. Also, a few users report the Windows 11 mail app not opening or the mail app not sending emails it’s stuck in the outbox. To deal with such situations, Here in this post, we have a few effective solutions apply to fix the Windows 11 mail app not working or not syncing problem. 

Windows 11 mail app not working

The mail app is not working, and you can’t launch or send/receive emails. you need to check your internet connection, clear the app cache or repair the app. Again if the Windows 11 mail app not sending emails, you might need to change some privacy settings. There are chances app itself may be outdated or corrupted in some way you need to update the app. Sometimes third-party antivirus software and firewalls may also prevent the app from syncing email and calendar

Well if the email app no longer syncing you need to Check the privacy settings if the app is allowed to access data. Again running the related troubleshooter or repair the app by clearing the store cache helps fix the Mail app not working in Windows 11.

Before start, close the mail app (if running) Press the Windows key + R, type wsreset and click ok. Now open the mail app again and check if this fixes the problem.

This is How the mail synchronization works again

  1. Navigate to “Settings” from the Windows icon in the lower left of the taskbar.
  2. There click on “Privacy & security” and then on “Calendar”. Here you need to allow apps to access the calendar.
  3. Under the item “E-Mail” “Allow apps to access your e-mail” should of course also be activated.

Allow apps to access your email

Check internet connection

First, check and make sure you have an active internet connection to communicate with the mail server. In addition, Restart your PC which refreshes the operating system and clears temporary glitches that may prevent open the mail app.

You can check your internet speed here at or

If you have a third-party antivirus utility installed, disable the shield for it before opening Mail. In addition, if you are connected to a VPN server we recommend disconnecting it and check the mail App.

Update mail App

If the mail app is outdated or corrupted in some way you might experience different problems including the mail app not opening or not sending or receiving emails. In such cases updating the app from the Microsoft store usually fixes the issue.

  • First, open the Microsoft Store app on your Windows 11 PC,
  • Click Library on the left side and Click on the Get Updates button next to Updates& downloads
  • If there are any new updates Mail app, click the update button next to it. Or you can click on Update all to install the available updates for all apps.

Update Microsoft store apps

Run MS Store app troubleshooter

If the Windows 11 Mail app won’t open on your computer or the mail app not send emails Running the Windows Store app troubleshooter helps fix such problems automatically.

  • Press the Windows key + X and select settings
  • Go to system then troubleshoot and click on other troubleshooters,
  • Scroll down to locate and select the Windows Store app and click Run next to it, to allow the troubleshooter to detect and repair app issues.

The troubleshooter will start diagnosing the problem and you will be notified if there are issues

Windows store app troubleshooter

Once done reboot your PC and open the Mali app to check its performance. Try to send or receive mail.

Repair and reset the app

  • Press the Windows key + I to open the settings app,
  • Go to Apps on the left side then click on installed apps
  • Scroll down to locate Mail and Calendar then click on the three dot button next to it and Select Advanced Options on the menu that opens.

mail app advanced options

  • Here first try the repair option that helps fix if the app isn’t working correctly, the app’s data won’t be affected.
  • If didn’t fix the problem then try to reset option to eradicate the app’s data

Reset Mail app

Check sync Frequency in the Mail app

  • Open the mail app on your computer and click on the menu option to display all mail account lists,
  • Now Right-click on the account that has problems syncing and choose account settings,
  • In the appearing window, click on Change mailbox sync settings,
  • Here make sure to toggle on the button next to the Email option, In addition, select anytime under downlaod email from the option,
  • Click on Done and Restart the system.
  • Open the Windows Mail application and check if the issue has been resolved.

Mail app sync settings

Allow Mail App through the Windows firewall

  • Press Windows key + R, type control firewall.cpl and click ok to open Windows Defender firewall,
  • Click the Allow an app or feature through Windows Defender Firewall option on the left then click on the Change settings button,
  • Select both the Private and Public checkboxes for the Mail and Calendar app if they’re not selected and click ok to apply.

Allow Mail App through the Windows firewall

Remove and Re-add the account

Sometimes problems with user accounts may also cause different problems and result mail App not working on Windows 11. Remove and Re-add the account again to help fix such problems and the mail app starts work normally.

  • First, open the mail app, right-click on the account that has problems, and select account settings,
  • In the appearing window, click on Delete account from this device

Remove account from mail app

  • In the confirmation dialog that shows up, click on Delete, Once that is done, open the mail app settings,
  • Click on Manage accounts then Add Account option, and follow the on-screen instructions to configure your mail account.
  • Now check if the Mail app not working problem is fixed on Windows 11.

Run a system file scan

Sometimes problems with system files also cause different problems with installed apps on your computer. There are chances might corrupted system files prevent the mail app open or working as expected. If all the above solutions fail to fix the problem then run system file scan probably a good fix for such problem.

  • Press Windows key + R type cmd, Right click on the command prompt select run as administrator,
  • Fist run DISM command  DISM.exe /Online /Cleanup-image /Restorehealth
  • Next run System File Checker by entering the command sfc /scannow
  • Wait for the scan to reach 100 percent and display some kind of outcome.

Did the above solutions help fix the Windows 11 mail app not working or not sync problem? Let us know on the comments below.

Frequently Asked Questions (FAQs)

Why is the Mail app not working on my Windows 11?

  • The Mail app may not be working due to various reasons, including software conflicts, network issues, or corrupted app data.

What should I do if the Mail app is not opening on Windows 11?

  • Try restarting your computer, checking for Windows updates, and resetting the Mail app to its default settings.

Could a corrupted user profile be causing the Mail app issue on Windows 11?

  • Yes, a corrupted user profile can sometimes lead to problems with the Mail app. Consider creating a new user account and testing the app.

What if the Mail app is not syncing or receiving new emails?

  • Check your account settings, ensure your account credentials are correct, and verify if there are any sync errors in the Mail app.

What should I do if none of the troubleshooting steps work for the Mail app on Windows 11?

  • If the issue persists, consider seeking help from Microsoft Support or checking for updates from the Microsoft Store.

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Steve Ballmer
With over 7 years of experience in the IT industry, I have experience in IT support, helpdesk, sysadmin, network admin, and cloud computing. Certified in Microsoft Technologies (MCTS and MCSA) and also Cisco Certified Professional in Routing and Switching.