Spell check before sending emails in new Outlook

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.

[What and Why:]

[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.