See: *http://kb.mozillazine.org/Backing_up_and_restoring_bookmarks_-_Firefox You can copy the places.sqlite file to the Firefox profile folder on the new computer. *https://support.mozilla.org/kb/Recovering+important+data+from+an+old+profile *http://kb.mozillazine.org/Profile_folder_-_Firefox You can use this button to go to the Firefox profile folder: *Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)