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So make sure your internet connection is active and working properly. If there is a problem with the Internet connection, the sending and receiving process will fail. The Mail application connects to the Internet to send and receive emails. If you’re having problems with the Windows 10 Mail app not working on Windows 10, here are some ways to fix the problem.
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The Windows 10 mail app usually works fine, but sometimes you can run into issues ranging from not being able to sync emails to the app crashing right after opening it.
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How to fix if Windows 10 Mail App Not Working?.
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