2. How to Delete All Emails in an Outlook Folder at Once. Another way to mass delete Outlook email messages is by deleting all the messages in a folder. To do this, again start with your Outlook inbox open: To delete all the emails in a folder, start by s

Online Archive is a feature for Microsoft 365 enterprise customers who have uncommonly large mailboxes. These customers can use an Online Archive to avoid deleting old mail. A user’s Online Archive acts somewhat like a second account in Outlook with its

Instructions in this article apply to Outlook 2019, 2016, 2013, 2010, 2007, 2003; and Outlook for Microsoft 365. Restore an Outlook PST File for Mail, Contacts, and Data If you have a backup copy of a PST file and want to restore the data in the PST file,