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Firefox and Thunderbird Firefox users need to regularly back up to guard against the possibility that their profile gets corrupted or wiped after installing a new extension or a new version of Firefox.
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MozBackup logo


MozBackup is a simple utility for creating backups of Mozilla Firefox, Mozilla Thunderbird, Mozilla Sunbird, Flock, SeaMonkey, Mozilla Suite, Spicebird and Netscape profiles.


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 ...


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If you only need to backup Firefox an excellent,  perhaps superior, alternative is the free FEBE Firefox extension.

FEBE is available from here: http://customsoftwareconsult.com/extensions/febe/febe.html
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Here is a quick primer on the way to get FEBE up and running.  These functions can be found in the FEBE options window. 

FEBE Options

Directory window

Schedule window

More options

Box.net window

Some useful links: