http://blogs.msdn.com/dynamicscrmonline/archive/2008/01/30/backing-up-your-customizations.aspxIt's a good idea to back up (Export) your Customizations on a fairly regular basis - after you create or alter any of your Entities, Workflows, etc.  This is a very simple process that can make your live easier in the future.  If you are justen-USCommunityServer 2.1 SP1 (Build: 61025.2)