You could have set certain rules or filters on the folder that is blocking your emails.It could have been spammed with unwanted emails and you don't wish to access it.The folder might not be active anymore and you no longer need it.The following are some of the major situations why people choose to delete Outlook folders. Bonus: How to Create and Manage a Folder in Outlook?īefore we let you know how do you delete a folder in Outlook, let's discuss a few things in advance.Part 3: How to Delete Items from Folders in Outlook?.Part 2: How to Delete Folders in Outlook?.Part 1: Overview of Deleting Folders in Outlook.