How to Backup (and Restore) Mozilla Firefox Profiles

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To back up all of your saved passwords, bookmarks, and add-ons, back up your Mozilla Firefox profile to a safe location, either on your internal or external storage. Later, you can restore this backup to get all your items back in the browser. We will show you how to do it.

The way this works is that you copy your Firefox profile folder to a location that you feel is safe. This location could be on the same computer, another computer, external storage, or even cloud storage. Later, when you want to retrieve your backed up items, paste the folder to your profile location and Firefox will import all your data.

RELATED: How to set up and use multiple profiles (user accounts) in Firefox

Back up a Firefox profile

To start backing up your profile, start Firefox on your computer. Then, in the upper right corner of the browser, click the hamburger menu (three horizontal lines) and choose Help > More Troubleshooting Information.

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On the “Troubleshooting Information” page, in the “Basic Application” section, look for an entry called “Profile Folder.” Next to this entry, click “Open Folder.”

Then close Firefox by clicking the hamburger menu and selecting “Exit.”

You will see your Firefox profile folder open in your file manager. These are all your profile data files, and you will back them up to make a full backup of your profile.

First, select all of these files by pressing Ctrl + A (Windows) or Command + A (Mac). Then right-click on any file and choose “Copy”.

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Now access the storage where you want to put the profile backup. Once you’re there, right-click anywhere in the blank and select “Paste.”

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And that is. You have successfully created a backup of your Firefox profile.

Restore a Firefox profile

To restore items from your backed up profile, we’ll first find out where Firefox is loading profiles on your device, then move your backup there.

Start by launching Firefox on your computer. In the upper right corner of Firefox, click the hamburger menu (three horizontal lines) and select Help > More troubleshooting information.

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On the “Troubleshooting Information” page, next to the “Profile Folder” entry, you’ll see the location of your profile. Make a note of this path, as you will need it in the steps below.

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Exit Firefox by clicking the hamburger menu in the upper right corner and choosing “Exit.”

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You will now be taken to the location of the Firefox profile folder on your computer. If you’re on Windows, open File Explorer and navigate to the path you noted earlier. If you’re on a Mac, launch a Finder window and navigate to the location of the profile.

Once you are at the profile location, launch another file manager window and navigate to the folder where you have backed up your profile. Select all profile files by pressing Ctrl + A (Windows) or Command + A (Mac). Then copy the files by right-clicking on any file and selecting “Copy”.

Back in the current Firefox profile window, right click anywhere in the blank and choose “Paste”. Allow your computer to overwrite existing files.

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When your files are done copying, launch Firefox and you’ll see all your backed up content.

Are you ready.


Did you know that you can selectively back up Firefox items like your bookmarks or passwords? Check out our guides to learn how to do it.

RELATED: How to export bookmarks from Mozilla Firefox