Mail - Add Subfolders
By: Arie SlobTo quickly add a new subfolder to your standard set of mail folders, right-click the folder you want to use as the parent, then select New Folder. Enter the new folder's name and click OK.
To quickly add a new subfolder to your standard set of mail folders, right-click the folder you want to use as the parent, then select New Folder. Enter the new folder's name and click OK.