Mail and Calendar app is freezing, crashing or not working
Here are a few things you could try to fix the issue:
1] Run Windows Update
If you are facing this issue, first make sure that your Windows 10 has all the latest Updates installed. Also ensure that there are no updates for Windows Store, Mail and Calendar apps pending. If you do see any updates pending, download and install them right away.
2] Manually Update Microsoft Store apps
Manually update Microsoft Store apps and see if that helps.
3] Repair or Reset Mail and Calendar app via Settings
Reset the Mail or the Calendar app and see if it helps.
Resetting the Mail app will fix the issue if it is because of a wrongful setting twitch. So, to reset the Mail app you can follow the prescribed steps. Now, check if it fixes the issue for you. Fix: Windows Mail app System Error Can’t get mail
4] Run PowerShell command to reset UWP apps
Open PowerShell as administrator and Run the following command: This is one of the ‘Universal Guru Fixes‘ that helps solve most Windows 10 issues.
5] Run Windows Store Apps Troubleshooter
The first thing you need to do is to run Winodws Store Apps Troubleshooter. This will automatically detect and fix the issue for you. To run the troubleshooter, you need to follow the given steps. Now, check if it fixes the issue.
6] Run SFC and DISM
The problem can be because of corrupt System files. So, we are going to use SFC and DISM to fix the error in that case. So, launch Command Prompt as an administrator and run the following commands. Wait for the process to complete and check if the issue persists. If it does persist, use the following DISM commands to fix the issue. Wait for the commands to complete their task. Then restart your computer and check if it fixes the issue.
7] Uninstall and Reinstall the Mail and Calendar app
If this does not help, uninstall and reinstall the Mail and Calendar apps and see if it helps. This should be one of the last options that you need to try if the issue persists. To uninstall the app, we are going to use PowerShell. So, launch PowerShell as an admin and run the following command. This will take a few minutes, so, wait for the app to be uninstalled. Now, reinstall the app from the Microsoft Store. Let us know if this worked for you.