Master Category List Outlook Shared Calendar. I've been given some instructions on how to do that but i just can't seem to figure. You can backup and restore the entire category list (instructions at outlook categories) but this overwrites your existing categories, which isn't good if you are trying to.

To assign a color category to an appointment, meeting, or event in classic outlook, use one of the following options: This doesn’t sound like you’re using outlook.com, since it doesn’t have a master category list and it’s not on a shared network.