5 Ways to Fix Windows 11 Mail App Showing HTML Code

If you’re using the Windows Mail app and suddenly see HTML code instead of your emails, it can make reading them difficult. This article will provide solutions to help you resolve the error if your Windows 11 mail app is displaying HTML code.

Why Mail app is Showing HTML Code?

There are several reasons why the Windows Mail app may show HTML code:

  • Third-party antivirus software: Sometimes, third-party antivirus software installed on your PC can cause the mail app to show HTML code.
  • 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.
  • Corrupt Mail app: A corrupt Mail application might cause received mails to display as HTML code. If that’s the case, try accessing Windows mail service from your web browser.
  • Changing text format: If the sender of the email changes the official text format before sending the email, it can cause the mail app to show HTML code.

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Fix Windows 11 Mail App Showing HTML Code

Before trying more advanced solutions, there are a few quick fixes you can try:

  1. Close and relaunch Windows Mail.
  2. Restart your PC.
  3. Check your Internet connection.

If those steps couldn’t resolve the error, here are a few advanced fixes you can try:

1. Repair / Reset the Mail app

1. Press the Windows key + I to open the Settings app.

2. Click on Apps and select Installed apps.

go to apps installed app windows 11

3. Locate the Mail and Calendar app from the list of apps, click on the three dots icon, and click on Advanced Options.

4. Click on the Repair button under the Reset section.

5. If the repair option isn’t available, select Reset.

Close the Settings app, restart your PC, and relaunch Windows Mail.

2. Uninstall Windows update

1. Press the Windows key + I to open the Settings app.

2. Click on Windows Update and select Update History.

go to settings update history
go to settings update history

3. Select Uninstall Updates.

uninstall updates windows 11

4. Locate the most recently installed update from the list and click Uninstall to remove it.

3. Disable the antivirus software

1. Search for Windows Security and open the same from the search results.

windows security

2. Navigate to the Virus & Threat Protection tab from the left pane. Under the Virus and Threat Protection settings, select Manage Settings.

3. In the next window, click on the toggle button to switch Real-time Protection to Off.

real time protection1

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.

If you’re using third-party antivirus software, disable it from its menu and see if that changes how Windows Mail is displaying the messages.

4. Use the email service on the web

1. Launch your preferred web browser and go to the Outlook online email client.

2. Sign in with your credentials to read your received emails.

You may also go directly to the website of your email provider like Gmail, ProtonMail, etc.

5. Reinstall the Windows Mail app

1. Press the Windows key + I to open the Settings app.

2. Click on Apps and select Installed apps.

go to apps installed app windows 11

3. Locate Windows Mail & Calendar in the list of applications, click on the 3 dots, and select Uninstall.

4. Wait for the app to be completely removed and close the Settings app.

Once the mail app is uninstalled, restart your PC and reinstall it by following the below steps.

1. Search and open Microsoft Store on your Windows PC.

Microsoft Store

2. Type in Mail and Calendar in the search bar, from the search results, click Get in Store app and select Install.

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.

In conclusion, the Windows 11 Mail app is a useful tool for managing your email, but sometimes it can display HTML code instead of the expected content. This can be frustrating, but fortunately, there are several solutions to this problem.

By following the five methods outlined in this post, you should be able to fix the issue and get back to using the Mail app as intended. If you continue to experience problems, don’t hesitate to reach out to Microsoft support for further assistance.

With a little troubleshooting, you can ensure that your email experience on Windows 11 is smooth and hassle-free.

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Posted by
Bhanu Pratap

Hi! I am Bhanu Pratap, co-founder of Yorker Media Group. A die-heart fan of tech and keeps track of every little happening of the same. When not writing, I usually keep myself busy on YouTube making and exploring new and awesome tech content.

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