I've tried to see if anyone else had this trouble, and my search was inconclusive. I've got a Dell Laptop running Outlook 2007 that previously was running the ZCO version 5.0.16 and I recently upgraded it to 5.0.23. However, any time I've used Outlook afterwards, any and all of the rules I normally use on incoming messages have quit working, and my messages aren't being sorted. For example, Mac related messages aren't going into their appropriate folder, and so on. What can I do to restore this? Should I re-create all of the messages? If I apply them to the Inbox "after the fact" they still work. Or should I try uninstalling and reinstalling the ZCO?