1. Make sure you back up and restore all you contacts, calendar, email files back to their original location and ensure icloud program is no longer set to sync them.
2. In Oultook 2010, go to accounts, account settings, Data files, and delete icould. (Close and reopen outlook)
3. Recommend for those of you want this option, use the Gmail and outlook sync (gmail as the middleman). Great instructions at http://support.google.com/mobile/bin/answer.py?hl=en&answer=138740
to setup ipad calendar up with Google Sync. You will also need google sync on your PC. http://tools.google.com/dlpage/gappssync
This data is synced both ways (between IPAD and Goggle) and then google sync (see link above) keeps your outlook on your desktop pc updated. I have a google acount/email only because I have a driod, i don't use the email, but the calendar is great to keep my PC, IPAD, Ipod Touch all in sync.
Hope this was helpful.