Firefox profile contains preferences, extensions, bookmarks and passwords, it’s always helpful having backup copy of Firefox profile for transfer on other computers. You can backup & restore Firefox Profile with MozBackup, another freeware tool lets you do this this is Firefox Backup Tool.
Using Firefox Backup Tool
Download and install the program to your Computer. Run it, from the program window under Backup section, select Firefox user data you want to backup or by default the program selects Firefox profile data, select file for exported backup and click Backup button.
Your Firefox profile will be backup to the specified folder or directory which you can restore from “Restore” tab by selecting the backup file. Before backup, the app lets you password protect backup file with a password which you need to enter while restoring Firefox profile also.
Firefox Profile Backup tool works Windows XP/Vista/7 (both 32 & 64 bit).