Click or tap the plus (+) icon next to All Folders to make a new folder for the account. If you have more than one email account set up within the app, choose the account you want to use and select the More option on the left side of the window to see the All Folders list. If you want to set up custom folders to store messages from a specific person or about a certain topic (like a home renovation project), you can add and delete those at will. The program comes with its own set of default folders - like Inbox, Drafts, Sent, for starters - that you can’t delete. If you are using the Mail for Windows 10 program that came with the system, you can set up a new folder in just a few steps. How do I create folders for saving specific incoming emails in Windows 10? How do I delete a folder when it is no longer needed?Ī.