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How do I find a history of what add-ons I've added to or deleted from my Firefox profile?
I'd like to see a history of what add-ons I've used in the past. Is there any way to find this information?
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Firefox doesn't keep a history of installed extensions. You would need an older copy of extensions.json in the profile folder to access this data.
You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.
- Help -> Troubleshooting Information -> Profile Folder/Directory:
Windows: Open Folder; Linux: Open Directory; Mac: Show in Finder
You can check in Windows Explorer if there is a previous version of the extensions.json file available. Make sure to keep a backup of the current file.
- right-click: Properties -> Previous Versions