It creates a full backup of your site in a single ZIP archive. The archive contains all the files, a database snapshot and an installer derived from the standard Joomla! installer. The backup and restore process is AJAX powered to avoid server timeouts, even with huge sites.
Alternatively, you can make a backup of only your database. If you want a reliable, easy to use, open source backup solution for your Joomla! site, try it out.
JoomlaPack web resources
Official web site: http://www.joomlapack.netSupport forum: http://www.joomlapack.net/forum/
Project page (software and documentation downloads): http://www.joomlacode.org/gf/project/jpack
Developers' blog: http://joomlapack.blogspot.com
JoomlaPack