For more information, see Add or remove a search engine in Firefox. This file stores user-installed search engines. For example, it stores which sites are allowed to, or blocked from setting cookies, installing extensions, displaying popups, etc. This file stores many of your Firefox permissions that are decided on a per-site basis. To transfer saved passwords, you must copy this file along with the following file.Įncrypted information about your saved usernames and passwords.įor more information see Password Manager - Remember, delete and edit logins and passwords in Firefox. This file stores your key database for your passwords. Your passwords are stored in two different files, both of which are required: It's best to also include this file when recovering the places.sqlite file. For more information, see Bookmarks in Firefox. This file contains all your Firefox bookmarks and lists of files you have downloaded and of websites you have previously visited. Your important data and their filesīookmarks, Downloads and Browsing History To set Windows to show hidden files and folders, see Show hidden files - Windows Help. Note: By default, Windows hides the AppData folder where Firefox stores your profile.

You copy over a few files at a time, and then check that the problem you are trying to get rid of hasn't returned.

You copy over only the minimal amount of files that contain your most important data that you simply can't live without.

While copying your personal data from an old Firefox profile to a new Firefox profile, it is possible that you could copy over the file that is causing the problem you are trying to get rid of! The more files you copy over, the greater the chance of this happening.

Repeat steps 3-5 for each file you wish to transfer over to your new profile folder. Inside the profile folder and choose Paste Item.

Open the new Firefox profile folder as explained in step 1, above.

On a file you want to copy and choose Copy.

Right-click Hold down the control key while you click.

Click the Firefox menu at the top of the screen and select Quit Firefox.

Click the Firefox menu and select Exit.

Note: If you are unable to open or use Firefox, follow the instructions in Finding your profile without opening Firefox.

Firefox revert to previous version