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RM563806Outlook: Emails marked with External to be supported as Rules conditions

Summary

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.

Description

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.

GA date: June CY2026

Version history

3 versions tracked

Updated 2 times since May 21, 2026. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.

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  1. Jul 15, 2026 - 10:55 PMLatest - v3

    Changed: Tags, Status

  2. Jun 4, 2026 - 11:15 PMv2

    Changed: Tags, Status

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  3. May 21, 2026 - 11:15 PMOriginal - v1

    Changed: Initial version

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