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Windows 11 Mail App Showing HTML Code: How to Fix It

While unlikely, Windows Update can prompt this error

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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While using Windows mail, your emails could suddenly start showing as HTML code. When this happens, reading your emails becomes a bit problematic. If your Windows mail app displays HTML code on Windows 11, this article will provide steps to help you resolve the error.

Why is the Windows Mail app showing HTML code?

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:

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?

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:

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 abetter antivirus for Windows 11that 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 thebest ways to remove a Windows Update.

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.

Our readers also encountered theemail error code 0x80040b0b. If you’re one of them, read the highlighted guide for instructions.

If the issue persists, we recommend consulting our list of thebest email clients for Windows 11and 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.

More about the topics:Mail app,Windows 11

Loredana Harsana

Windows Software Expert

Loredana is a passionate writer with a keen interest in PC software and technology. She started off writing about mobile phones back when Samsung Galaxy S II was on top of the world and she fell in love with tech of all sorts.

Whenever she’s not at her work desk, you’ll find her enjoying refreshing tea flavors, spilling stories on paper, and listening to the radio.

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Loredana Harsana

Windows Software Expert

Loredana is a tech enthusiast who tackles mobility, privacy, and networking in easy-to follow guides for everyone.