How do I Archive mail in Outlook?

If you do not want to enable AutoArchive, you can manually Archive mail in Outlook.

AutoArchive in Outlook 2021:

1. Go to Folder
2. Click AutoArchive Settings
   
3. Set the settings to what you want
   

Manual Archive in Outlook 2021:

1. Go to File
   
2. Click on Tools to expand
   
3. Go to Clean Up Old Items...
   
4. Select the option to Archive this folder and all subfolders:
   
5. Select the top level email account for all folders and subfolders
   
6. Select the date cutoff for archived messages
   
7. Choose the location for the saved Archive PST file
   Note: you may save this PST to Dropbox or your share on Desnet
   Box will not sync PST files
   
8. Click OK

If the Archives recreated your folder structure, but did not move any mail, you can try Method 2:

1. View Folders
   
2. Follow the regular Archive steps 1-8 above