How to Resolve the “Browser version is not supported” Error¶
For users of the Email Sidebar on:
1 min read
The issue manifests in the following manner: you see the following notification on RGES Add-In opening in MS Outlook and cannot proceed. The issue may occur in Windows 8, Windows 8.1, Windows 10
Sorry, we couldn’t load the app because your browser version is not supported. Click here for a list of supported browser versions.
The error is caused by MS Outlook Add-Ins rendering general requirements.
To resolve the issue, follow the steps below:
1. Determine what browser is used by your MS Outlook to render Add-Ins, as described in this Microsoft article
2. Make sure the required browser is installed. For example, if you had Internet Explorer uninstalled you can restore it through Control Panel -> Programs -> Programs and Features -> Turn Windows Features on and off -> check the box Internet Explorer 11 and click OK -> restart your Windows
Or, if Microsoft Edge is required, follow this link to install it
3. Make sure the required browser is updated. See this Microsoft article to lean how to update Internet Explorer 11
4. If installing and updating the required browser does not help, repair your MS Office installation as described in this Microsoft article, restart your Windows and check if the issue persists
Also see the following articles:
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