How to assign a category to appointments automatically, as soon as they are over, using a macro with a trigger, such as the meetings own reminder or the next appointment reminder, that will kick off the macro.
Outlook doesn't have an automated method for assigning categories or deleting contacts that contain bad addresses, but you can use VBA to assign categories or delete the contacts.
How to use a macro to send a message and print the sent email with a click of the button.
How to use VBA to create a list of your color categories then merge or restore the list to another account using a second macro.
How to use VBA to create a list of your Outlook categories and their assigned colors. For Microsoft Outlook 2007 and up.
How to apply rules or automatic formatting to messages and meetings with people in specific categories.
After upgrading to Outlook 2013, 2010, or 2007, users need to convert categories to color categories to add their categories to the master category list.
How to create new color categories in Outlook 2007, 2010, and 2013.
You'll find some debate over which method is better for managing different types of contacts -- have more than one Contacts folder (Personal, Business, etc.) or use one Contacts folder with categories. There are pluses and minuses for both. Personally, I use a combination. I have a couple of separate Contacts folders that use special
Users often complain about the patchwork coloring in Outlook's calendar. This is caused by setting All Day Events to Show time as Busy and setting a color category on the item. Tentative, Working elsewhere, and Out-of-office also add color to the days.