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How to resolve a WebView2 error

Written by Moreen

What is Webview2, and why is it needed for the Unified Inbox?

WebView2 allows app developers to embed web content (such as HTML, JavaScript, and CSS) in Windows applications. This technology has been used to build the new Unified Inbox, which is quicker and more user-friendly.

Error message:

If you see an error that says "You need to install Microsoft Webview2 to continue using the inbox", you will need to follow the steps below 👇 If you see error messages such as 'There may be an issue with your Microsoft WebView2 installation' or 'Installation failed: Microsoft Edge WebView2 Runtime already installed for the system', these indicate potential issues with the WebView2 setup.

Steps to update WebView2

  1. Download the Evergreen Bootstrapper from here:


  2. Don't run it directly from their browser downloads.
    Find the file in your downloads folder and run it as Administrator (otherwise it will fail, saying WebView2 is already installed).


  3. Wait for the installation to complete and restart the computer.


If you still have any questions or concerns, feel free to chat with us using the green message bubble in the bottom right-hand corner of this page. 👉

General Troubleshooting Tips

  • Always ensure your Windows operating system is up-to-date.

  • Reboot your computer after making changes to WebView2 or Windows settings.

  • Keep your IT team informed about any persistent issues requiring administrative intervention.

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