
So, you like using Categories and need to merge your master category list with the list on another computer? 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 merge your list with the existing one. Not...

When you assign categories to Contacts you can send an email message to everyone in the category. To do this in Microsoft Outlook 2010 or Outlook 2013, begin by grouping by category then select the category and click the Email button on the Home ribbon's Communicate section. This will open a new email message...

Understanding why Categories don't sync as categories between Outlook and Hotmail when you use the Outlook Connector.
Do you want to make a Distribution list using a list of addresses found in another file? While the recommended method is to import the addresses to contacts and assign categories so you have an easy to manage dynamic DL, you can easily copy and paste the addresses into a DL form. The addresses...

Outlook doesn't have import/export Master Category feature so you can easily share custom categories with others, other than by exporting the registry and overwriting the registry entry on the other computers. However, it's not necessary to export the master category list and import it on everyone's computer, any category used on an Outlook item...

Quickly and easily assign Categories to any Outlook item by using a group by category view and dragging items to other groups. You can't drag to remove categories, but will need to use the context menu.