Auto-complete suggestion does not work in Outlook for Mac

Last Updated: June 3, 2026

ISSUE

While composing an email in Outlook for Mac, Auto-complete suggestions do not appear in the To field when typing an email address. This is preventing address resolution for both internal and external recipients. 

STATUS: INVESTIGATING

The Outlook Team is investigating this issue for a fix. We will update this topic as soon as we have more information.

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See Also

Fixes or workarounds for recent issues in Outlook for Mac