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Do extensions we install leave any leftovers?

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  • Last reply by FredMcD

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I've recently installed and deleted 2 add-on. I wonder if they are deleted completly and is there any leftover from them? Can they access my data in future?

I've recently installed and deleted 2 add-on. I wonder if they are deleted completly and is there any leftover from them? Can they access my data in future?

All Replies (2)

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Add-on programmers have 3 options, store the settings in a file within the profiles folder or in the configuration file. Some will actually store the file on their own website.

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You can also post your question in the add-ons forum; https://discourse.mozilla-community.org/c/add-ons