For some affected users, Windows Mail doesn’t appear to automatically fetch fresh emails, even when users have the client set to Fetch new messages as they arrive. However, manual synchronization works perfectly well. Note: Some users are claiming that the manual synchronization is broken. After we’ve investigated the issue properly, we realized that there are actually several different underlying causes why you can expect to deal with this issue on Windows 11.  Here’s a list of potential culprits: Now that we went over every potential cause that might trigger this issue, here’s a list of verified fixes that other affected users have successfully used to get to the bottom of the issue:

1. Run the Windows Apps Troubleshooter

It turns out that this problem is caused by the same problem that the majority of other native Windows 11 programs have. The cause of this problem can be frequent inconsistency. Numerous impacted customers claim that using the Windows Store Apps troubleshooter and implementing the suggested fix will solve this issue. Note: Remember that the main store component and all native programs operating on the Universal Windows Platform (UWP) have the same set of requirements (Microsoft Store). After a bad update or due to some other type of file corruption, you can anticipate that these shared dependencies will become corrupted and interfere with the app retrieval process. In these cases, running the Windows Apps Troubleshooter and letting the automated repair component handle the problem is the best course of action. If a recognizable scenario is discovered, the Windows Apps Troubleshooter is a repair tool with a ton of automated repair options that can be applied. Run the Windows App Troubleshooter if you haven’t previously, then follow the steps below to fix any shared dependencies by implementing the suggested fix: Continue to the next technique below if you’re still having trouble getting the native Windows 11 mail program to sync automatically.

2. Update the Windows 11 Mail App

An old version of the Windows 11 Mail software that refuses to update automatically is another pretty frequent cause of this problem. Other customers who were experiencing the same issue have reported that it was resolved once they manually updated the UWP app. Note: This method is typically reported to be effective in situations where you have pending Windows updates waiting to get installed on your PC. Our recommendation is to take the time to install every pending update before following the instructions below to update the Windows 11 mail app via the Microsoft Store: Here’s a fast guide to update Windows Mail from the Microsoft Store provided below: If the problem is still occurring, move down to the next method below. 

3. Repair or Reset the Windows 11 Mail App

If none of the other solutions listed above have helped you, you should take into account the potential that you are dealing with damaged cached data, which is keeping the Mail app from properly syncing events. Since the Calendar app and Mail app share the same dashboard, you will need to repair or reset both of them. Fortunately, as it has been confirmed by multiple concerned customers, you might be able to fix this problem by resetting the Windows 11 mail app via the official channels. The steps listed below might help if you’re having this problem in Windows 11 and haven’t already tried repairing and resetting the Windows Email app: Continue to the next suggested solution below if the issue is still present.

4. Reinstall the Windows 11 Mail & Calendar App

If the reset and repair procedure above didn’t produce the desired results, you should also try reinstalling the entire Mail and Calendar component from the Installed Apps tab of the Settings menu.  This operation has been confirmed to work for a lot of users that we’re encountering this problem on Windows 11 Home and Windows 11 PRO editions.  First, you need to uninstall the entire Mail & Calendar UWP app from the Apps menu, then restart before installing the component from the Microsoft Store. Follow the instructions below for a step-by-step guide on how to do this: If the same kind of issue is still occurring, move down to the next method below. 

5. Perform a repair install or clean install

If you’ve read this far, the issue you’re having is most likely the result of system file corruption, which cannot be fixed using standard techniques. Refreshing every Windows component is the recommended course of action in this situation to solve the issue without performing a total OS reinstallation (including boot data). There are two choices available:

Repair Install – This process is more laborious and is also referred to as in-place repair. Although you must supply an installation medium, the benefit is that you can maintain all of your personal files—including music, movies, software, and even some user preferences—without having to make a backup beforehand.Clean installation – You may start it right from the menu in Windows 11 without using any installation disk. If you don’t back up your personal data before starting this process, you will lose it all.

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