My company uses Exchange Server 2013 and the clients have Outlook 2010 installed. I use categories meticulously, and got to thinking the other day about disaster recovery. I could always get the messages themselves back if I had to reinstall Windows or move to another machine, but I would lose all the manual category assignments. What methods are out there for migrating these details, or are you just stuck imaging the hdd regularly? Just to be clear, I don't mean how to backup the list of custom defined categories, but how to reapply all of those to each Outlook item just as they were?