1 To access messages
2 How does it work and look ?
3 Configuration
- 3.1 Archive and deletion policy for mailboxes in your organization
- 3.2 Enable auto-expanding archiving

To access messages

that are stored in an auto-expanded archive, users have to use one of the following Outlook clients:

Outlook 2016 or Outlook 2019 for Windows
Outlook on the web
Outlook 2016 or Outlook 2019 for Mac

To Search

Outlook on the web
Outlook Desktop in Current Channel (Preview)

How does it work and look ?

Microsoft 365 determines which folders get moved when additional storage is added to the archive. The archiving process to move messages to the archive mailbox will not begin automatically, but will begin on the next scheduled archiving run, which by default is usually once daily.

Sometimes when a folder is moved, one or more subfolders are automatically created and items from the original folder are distributed to these folders to facilitate the moving process.

Before additional storage is added