Online Archive is an enterprise-grade replacement for AutoArchive. AutoArchive can still be used if you don’t have an Online Archive, and if your IT department doesn’t disable the functionality. For more information about AutoArchive in Outlook 2016,

Your Outlook mailbox is only so big, and it’s a good bet that you won’t stop getting email anytime soon. To keep it from filling up, you can move old items you want to keep to an archive, a separate Outlook Data File (.pst) that you can open from Outl

To disconnect the Outlook Archive folder, right click on the root Archive folder in the list of folders, and click Close Archive. Tip. If the Archives folder does not appear in your list of folders, you can find its location via File > Account Settings