Enable extension developer features & install Edge extension from outside Windows Store

Enable extension developer features & install Edge extension from outside Windows Store

Microsoft Edge web browser supports extensions and to install browser extensions in Edge, you have to visit the Windows Store and download & install it. However, there may be times when you might want to install browser extensions for Edge that are not available in the Windows Store. Maybe you like the feature that the extension introduces or maybe you are a developer and want to test new extensions.

If you wish to sideload or install Edge browser extension from outside the Windows Store, you will have to enable extension developer features. Let us see how to do it.

Sideload Edge browser extension from outside Windows Store

To sideload an extension in Edge browser, open Edge, type about:flags in the address bar and hit Enter to open it’s hidden browser configuration page.

Under Developer settings, select the Enable extension developer features check box.

You will be required to restart your Edge browser for the changes to take effect.

On restart, click on the 3-dotted More link and select Extensions from the panel which opens on the right side.

You will see the following settings. Click on the Load extension button and browse to the extension file which you may have developed yourself or downloaded from a third-party source.

It is important that you load extensions only from sources that you trust completely, lest you end up compromising your Windows computer.

Once you have selected and loaded the extension, restart your Edge browser again. On restart, you may see a warning as follows:

We’ve turned off extensions from unknown sources. They might be risky so we recommend keeping them off.

You will be offered an option to Turn on anyway. Click on this button and the sideloaded extension will be enabled.

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