Question: I take care of my boss’ Outlook calendar and have Editor rights to it. Recently, I wanted to add some additional Color Categories for some her many different types of appointments. I find that I am only able to add additional colors to my own calendar. When I attempt the same steps while in her calendar the “New”, “Rename”, and “Delete” options are grayed out. Is there a way for me as Editor of her calendar to add, rename or delete color categories from her calendar?
Answer: You must have Owner permissions to be able to add or create categories on another calendar. However, if she uses color categories, you should be able to see those categories on her calendar. Here is more information at this Microsoft link. – http://support.microsoft.com/kb/918717