Move the email out after you finish the task. Click the overflow menu (the three-dot icon) beside Folders in the navigation pane. Select Create new folder. Name your folder. Click Save.

Unlike archiving individual emails, this process won’t move your emails from their folder to the archive folder on Outlook. Instead, it archives all of the emails into a .pst file that is stored ...

When Outlook is configured for POP, the messages and contacts are saved to a PST file that should be in your Documents folder in a subfolder called Outlook Files.

Or, right-click the folder and select Add to Favorites. Then, right-click the favorited folder to see your Move options. Some versions of Outlook let you drag folders up and down to reorder them.