The External tag on an email, set by the ExternalInOutlook feature, will now be usable as a condition in Outlook Inbox Rules. This change also makes available the ability to create or modify these Rules on the new Outlook for Windows, Outlook Web, and Outlook for Mac.
Roadmap › 563806
Outlook: Emails marked with External to be supported as Rules conditions
- General availability
- 2026-06
- Preview
- —
- Added
- 21 May 2026
- Last modified
- 15 Jul 2026 22:55 UTC
- First archived
- 25 Aug 2026
- Release rings
- General Availability
- Clouds
- Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD