Why is the Windows Mail app showing HTML code?

Here are some of the common reasons why the Windows Mail app is showing HTML code:

Third-party antivirus software – Sometimes, third-party antivirus software installed on your PC can cause the mail app to show HTML code. Changing text format – If the sender of the mail changes the official text format before sending the mail, it can cause the mail app to show HTML code. Corrupt Mail app – In some cases, a corrupt Mail application might cause received mails to display as HTML code. If that’s the case, you can try accessing Windows mail service from your web browser. Problematic Windows update – If you noticed this error with the mail app after updating Windows, the update likely caused that problem, and you should uninstall it.

Now that we know what the probable causes are, let’s solve the problem by using the solutions below.

How do I fix the Mail app if it’s showing HTML code on Windows 11?

Before we proceed with more advanced solutions, here are a couple of quick fixes you can apply:

Restart your PC. Close and relaunch Windows Mail. Fix Network Congestion.

If those steps couldn’t resolve the error, here are a couple of advanced fixes you can try.

1. Repair the Mail application

2. Disable the antivirus software

This will prevent Windows Defender from operating. Check if Windows Mail is displaying the messages correctly. If so, you should think about switching to a better antivirus for Windows 11 that doesn’t interfere with your apps. In case you’re using a third-party antivirus, disable it from its menu and see if that changes how Windows Mail is displaying the messages.

3. Roll back the Windows update

If you noticed the HTML mail error after running a Windows update, rolling back the update is the best way to resolve the error. Here is a detailed guide showing the best ways to remove a Windows Update. SPONSORED

4. Access your email on your web browser

Accessing your email via your web browser isn’t a traditional fix but it’s one of the quickest ways to get around the HTML raw data error in Windows. Of course, instead of using the Outlook web app, you may go directly to the website of your email provider like Gmail, ProtonMail, etc.

5. Reinstall Windows Mail

Once the app is installed, sign into Windows Mail using your correct credentials. Reinstalling the Windows Mail app should revert the app to its default configurations. Troubleshooting the HTML error in Windows Mail is pretty difficult. Usually, most users opt to access their email via their web browsers when they can’t resolve the error. If the issue persists, we recommend consulting our list of the best email clients for Windows 11 and selecting a better one. If you’ve got alternative solutions that helped you fix the mail app showing HTML, you can let us know in the comments below.

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