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MC1479509Spell check before sending emails in new Outlook

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.

More information

What and Why:

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.