Calendar App not Working in Windows 10: 6 Ways to Fix It Now

The Calendar, a built-in app in Windows, has long been a popular choice amongst users, but many complain that Windows 10 Calendar is not working.

For some users, the Calendar app opens with a white screen and then crashes after a few seconds, or it’s not opening at all. The problem was recently widely reported, but we have a few solutions that will work in the long run.

What can I do if Windows 10 Calendar is not working?

1. Open Calendar from the Mail app

1. Type Mail in the Search bar, and click on the relevant search result.
2. Now, click on the Calendar icon in the Mail app.

A few users shared this quick workaround to open the Calendar app when it’s not working in Windows 10. So, give it a try. Although remember, that it’s just a temporary measure to access Windows Calendar, and until a concrete fix is available.

2. Update the Calendar app

1. Press Windows + S to open Search, type Microsoft Store, and click on the relevant result.
2. Click on the Library icon in the left corner.
3. Now, click on the Get updates button.
4. If an update is listed for Mail and Calendar, download it.

When several users recently reported that Windows 10 Calendar app was not working, Microsoft was quick to release a patch for the bug that caused the problem. Downloading the latest version of Mail and Calendar fixed things for most users.

Updating the may also work when Windows Calendar is not showing events.

3. Reset the Mail and Calendar app

1. Press Windows + I to open Settings, and click on Apps.
2. Now, select Mail and Calendar in the Apps & features tab, and then click on Advanced options.
3. Click on the Reset button.
4. Again, click Reset in the confirmation prompt.

Many keep wondering how do I reset my calendar on my laptop Windows 10. You could easily do it from within the Mail and Calendar app settings, and the reset should take more than a minute.

4. Uninstall recent updates

1. Press Windows + I to open Settings, and click on Update & Security.
2. Now, click on View update history.
3. Click on Uninstall updates.
4. Select the update last installed, after which the error appeared, and click Uninstall.
5. Click Yes in the confirmation prompt.

For many users, the Windows 10 Calendar was not working after an update, and uninstalling it fixed things in no time. Just make sure to restart the computer once done for the changes to come into effect.

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5. Do a system restore

1. Press Windows + R to open Run, type rstrui.exe, and hit Enter.
2. Select Choose a different restore point, if available, and click Next.
3. Choose a restore point created before the problem first appeared from the list, and click on Next.
4. Verify the details, and click on Finish to start the restore process.

Performing a system restore has also helped a few users. But remember, it’s critical to choose a restore point created before the problem first emerged on the PC. Also, this solution would help even when Windows 11 calendar app is not working.

6. Perform an in-place upgrade

1. Go to Microsoft’s official website, and click Download now to get the Media Creation Tool for Windows 10.
2. Once downloaded, run the setup, and click Yes in the UAC prompt.
3. Wait for the setup to initialize and get things ready.
4. Click on Accept to agree to the license terms.
5. Select Upgrade this PC now, and click Next.
6. Wait for the download to complete, and then let the setup install a fresh copy of Windows 10.

That’s it! If nothing previously worked and you still have Windows 10 calendar not working, an in-place upgrade should be the ideal fix. It will reinstall the OS without affecting the apps or files on the PC.

The methods listed here will also help eliminate issues behind the taskbar calendar not opening in Windows 11.

Besides, if, like many others, you, too, are looking for a reliable alternative, check our curated list of the best Calendar apps for Windows.

Tell us which fix worked for you in the comments section below.