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For Outlook on Mac, how to stop signature automatically being added to calendar events

Lee, Renee 55 Reputation points
2025-07-18T17:32:21.5+00:00

This never used to happen, but recently when I create a new calendar event, or edit an existing event, my email signature is automatically added to the notes of the event.

I go to Signatures to try to adjust but the only options I can choose is New Message or Replies, no options for New Calendar Events. There is no distinction or selection I can choose for New Calendar Events. I can choose no signatures for New Message and that will stop the signatures to my calendar events, but then that also stops my signatures on actual emails, which I do need so that's not a solution. Is there a way to separate the signatures from New Messages vs. New Calendar Events?

This is extremely frustrating and it just started happening about a week or so ago.

Outlook | MacOS | New Outlook for Mac | For business
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  1. Syed Shiraz Shahid 460 Reputation points
    2025-07-18T21:51:32.08+00:00

    You're not alone—many Outlook for Mac users (including myself) have recently reported that their email signature is being automatically inserted into calendar events, and unfortunately, there is currently no built-in setting to disable this behavior independently from email signature settings.

    As of July 2025, Microsoft has not yet released a fix or toggle for this behavior in Outlook for Mac

    It’s being tracked as a known issue, and users are encouraged to report it to help prioritize a fix.

    You and 3 other people found this answer helpful.

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