

You find that folder when you load about:support and click on the "Show Folder" button there.

Copy them to the extensions folder of the new Firefox profile. Why Copy Firefox Profile to a New Computer?ĭepending on your operating system, you need to do the following now: Select one or multiple extension files or folders. Import from Old Firefox Data This one is pretty straightforward, and the main advantage that you have here is that you can select the extensions that you want to re-import into Firefox. Make sure extensions is selected by default. Select the profile you want to backup in the backup software. Backups You can use a program like MozBackup - only available for Windows - to back up Firefox data and restore it at a later point in time. Install them manually from the Mozilla Add-ons Store. Copy them from the Old Firefox Data folder to the new profile. There are four options to deal with this and import your browser extensions back to the new profile: Import them from a backup that you have created earlier. Restoring Extensions after a Firefox Reset Note : Extensions may be the cause for the issues that you are experiencing in Firefox. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers. Ghacks is a technology news blog that was founded in by Martin Brinkmann. Please click on the following link to open the newsletter signup page: Ghacks Newsletter Sign up. Save my name, email, and website in this browser for the next time I comment. I want my old Foxfire Back! I Hate This New One. Perhaps it marks it as crashed and then attempts to restore the previous state, fooling it into NOT discarding your old preferences and extensions. Your entire, actual, working, previous firefox profile is now restored, with the settings and options you previously had. In Windows, it will get part way and then tell you that some files are in use. In my case: If you touch an extension in the addons page, firefox freezes. Therefore, if you follow the steps in this article, you will have to reinstall your extensions and reconfigure your Firefox preferences afterward. Restoring Extensions after a Firefox Reset Note what it says on the help page by mozilla. If you just reinstalled Windows and want to restore your preferences, you cannot just paste the old profile back in.

I believe force-quitting it causes it to restore the previous session in full, whereas if the profile is pasted and the browser is not trying to recover the previous session, it will half-discard the preferences and addons and give you issues. The current behavior is for firefox to load everything except preferences and addons, which will leave the browser in an unstable state.
