External Recipients Banner on Outlook Mobile
AI summary
Meeting warning banner for external emails in Outlook Mobile
Warnbanner für externe Meeting-Teilnehmer in Outlook Mobile
Rollout dates
- Standard release (GA): –
Extracted from the announcement text; the Microsoft text is authoritative.
Microsoft announcement
[What and Why:]
When you add an attendee outside your organization to a meeting, Outlook will display a banner warning you that external recipients are included.
[Rollout Schedule:]
General Availability (Worldwide): We will begin rolling out on late October 2026 and expect to complete by late November 2026.
[Impact on Your Organization:]
Helps users avoid accidentally inviting external attendees to meetings by clearly identifying recipients outside their organization, reducing the risk of unintentionally sharing sensitive information.
[Action Required/Recommendations:]
No action is required
[Compliance considerations:]
No compliance considerations identified. Review as appropriate for your organization.
Change history
- 2026-10-20 · Created · All