Where could I find the files of a Microsoft Edge extension?

I want to study the source code of the Microsoft Edge extension Empty New Tab Page which I have already installed on top of Windows 11 Home.

I went to:

C:\Program Files (x86)\Microsoft\Edge\Application\114.0.1823.67\Extensions

and also to:

C:\Users\USERNAME\AppData\Local\Microsoft\Edge\User Data there is no folder named “Extensions”.

But I didn’t find anything.

I have also tried to run a search on the local disc (C) but got no result.

Where are Edge extension file trees are located?

Try C:\Users\USERNAME\AppData\Local\Microsoft\Edge\User Data\Default\Extensions


Once you find the extension, to see what’s in there it’s usually enough to rename it to zip and unpack it :slightly_smiling_face:

For some reason all extension folders have very odd names:

C:\Users\MY_USER_DIRECTORY\AppData\Local\Microsoft\Edge\User Data\Default\Extensions\dpjamkmjmigaoobjbekmfgabipmfilij\1.2.0_0

I mean this dpjamkmjmigaoobjbekmfgabipmfilij folder name and other folders for other extensions named similarly.


And I think that can be expressed as:
%LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Extensions
One way to find it is to go to about:version and look for Profile path and the Extensions folder is a subfolder of it.

From the Edge menu go to Extensions. There is an id for each installed extension. The id will be a subfolder of the Extensions folder.

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