Summary
New Outlook will offer automatic spell check before sending emails, rolling out worldwide from mid-October to mid-December 2026. Users can enable this feature to reduce spelling errors without manual checks. No admin action is needed; update user guidance accordingly. No compliance issues identified.
Message ID: MC1479509
Service: Exchange Online
Category: Plan for Change
Tags: Feature update, User impact
Rollout: October 2026, November 2026, December 2026
If you don’t want to check spelling manually for every message—or you’re worried you might forget!—you can set Outlook to check spelling for you every time before sending emails.
Rollout Schedule
General Availability (Worldwide): We will begin rolling out on mid November 2026 and expect to complete by early December 2026.
Targeted Release (Worldwide): We will begin rolling out on mid October 2026 and expect to complete by late October 2026.
General Availability (GCC): We will begin rolling out on mid November 2026 and expect to complete by mid December 2026.
General Availability (GCC High): We will begin rolling out on mid November 2026 and expect to complete by mid December 2026.
General Availability (DoD): We will begin rolling out on mid November 2026 and expect to complete by mid December 2026.
Impact on Your Organization
Who is affected
- Users of new Outlook for Windows and Outlook on the web.
- Help desk and training teams that support Outlook messaging experiences.
Platforms/Services
- Exchange Online.
- New Outlook for Windows and Outlook on the web.
What will happen
- Users can configure Outlook to check spelling automatically before sending email.
- This can help reduce spelling mistakes in sent messages without requiring users to manually start spell check for each message.
- The capability will roll out automatically during the scheduled rollout window.
Action Required/Recommendations
- No admin action is required.
- Inform users that they can enable spell check before sending if they want Outlook to review spelling automatically.
- Update internal Outlook training or help desk guidance if it describes message composition settings.
Compliance considerations
No compliance considerations identified. Review as appropriate for your organization.