Posted inExchange Online

MC1479509: Outlook Adds Automatic Spell Check Before Sending Emails

3 minutesPosted inExchange Online
MWPRO IMPACT SCORE
OPERATIONAL IMPACT
40
0 25 50 75 100
MODERATE IMPACT • ASSESS BUSINESS IMPACT
Recommended Action:
Take a look and decide whether this affects your tenant, users or support teams.
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Primary Audience

Microsoft 365 AdminsExchange AdminsIT ManagersService OwnersEnd Users
Why this score?
AI Confidence
HIGH
Enough detail is available to trust this assessment.
Assessment Reasoning
This update details a feature that allows Outlook to automatically check spelling before sending emails, with rollout dates confirmed for October to December 2026. Admins mainly need to ensure Connected Experiences are permitted and update help or training materials. User impact is moderate since it offers a new optional spell-check setting, improving workflow but not disrupting message composition. Urgency and implementation effort are moderate as the feature is straightforward and awareness-focused ahead of rollout.
45
🛡️ Admin Impact
MEDIUM
40
👥 User Impact
MEDIUM
35
⚡ Urgency
MEDIUM
35
🔧 Effort
MEDIUM
ℹ️ WHAT YOU NEED TO KNOW
📌

AT A GLANCE

New Outlook adds an option to check spelling automatically before sending emails. It could help reduce typing errors and support consistent communication.
👥

END USERS

Users can enable automatic spell check before sending emails in new Outlook and Outlook on the web.
🛡️

IT ADMINS

Check Connected Experiences settings, confirm policy compliance, and update user guidance or help desk materials as needed.
📅

ROLLOUT TIMELINE

Upcoming:
Mid-November 2026

📢 Official Microsoft Message Center Announcement

(Updated) Spell check before sending emails in new Outlook
Message ID: MC1479509 (Updated)

Updated October 6, 2026: We have updated the content. Thank you for your patience. 

[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, GCC High, 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.
  • This feature requires Connected Experiences to be enabled. Users who have Connected Experiences disabled will not be able to use automatic spell checking before sending email.

[Action Required/Recommendations:]

  • Confirm that your organization’s privacy policies allow the use of connected experiences in Office.
  • 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:]

This feature requires Connected Experiences in Office. Review as appropriate for your organization.

Source: Microsoft Message Center • Analysed by MWPro

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