You easily export IT policies on BlackBerry Enterprise Server version 4.1 using the BES User Admininstration Service.

1. Download the BES Resource Kit from http://na.blackberry.com/eng/support/server_resourcekit.jsp
2. Install the BES User Administration service. See the docs folder that is included with the above download for details
3. Issue the following command:BESUserAdminClient -p <PASSWORD> -it_policy <POLICYNAME> -it_policy_rules -list
   Replace <PASSWORD> with the password you configured when setting up the administration service. Replace <POLICYNAME> with the name of you BlackBerry IT policy.

Need the results in a more user friendly format? Try this:
BESUserAdminClient -p <PASSWORD> -it_policy <POLICYNAME> -it_policy_rules -list>Policy.csv
This will export the results into a comma separated file that opens with Microsoft Excel. Got an earlier version?

Check out http://www.blackberry.com/btsc/KB10309 for version 4.0 and earlier.