To delete a folder from the Transactions menu:
Open the Transactions view from the navigation menu.
Click the appropriate folder or subfolders and select Options | Delete Folder.
NOTE
Empty the folder and subfolders of all transactions before deleting.
A warning message is displayed asking if you want to delete the selected folder.
Click OK to delete the folder.
Note
The default "parent" folders such as Inbox, Received, Outbox, and Sent cannot be deleted.