MozBackup, backup your Firefox's preferences
If you worry about your Firefox preferences, including history, cookies, certificates and bookmarks, you may install this great utilities MozBackup. MozBackup allow you to create backups of Mozilla Firefox, Mozilla Thunderbird, Mozilla Suite and Netscape profiles. It allows you to backup and restore bookmarks, mail, contacts, history, extensions, cache etc.
Mozbackup is a Freeware that you can download from here.
Subscribe to Firefox Magazine's feed