Firefox backs up personal data and settings stored in a profile folder, which you can copy for safekeeping. To back up your Firefox profile, first close the browser, locate your profile folder, and copy it to a safe location.
Firefox stores your personal data, such as bookmarks, passwords, and extensions, in a profile folder on your computer, in a location separate from the Firefox program. This article explains how to back up your profile, restore it, or move your profile to
To make a copy of all your saved passwords, bookmarks, and add-ons, back up your Mozilla Firefox profile to a safe location either on your internal or your external storage. Later, you can restore this backup to bring all your items back into the browser.
Luckily, the Firefox web browser now offers an easy way to back up your data to your computer without installing or using third-party tools. A built-in backup and restore feature has been added to recent versions of Firefox.
