It allows you to backup and restore bookmarks, mail, contacts, history, extensions, cache etc. It’s an easy way to do Firefox backup, Thunderbird backup … MozBackup is compatible with: Firefox 1.0 – 3.0 Alpha 6 Thunderbird 1.0 – 2.0 SeaMonkey 1.0a – 1.1 Mozilla Suite 1.7 – 1.7.x Netscape 7.x. http://mozbackup.jasnapaka.com/download.php