Outlook signature has changed spacing

Brandi Naquin 55

My Mac updated last night and now my signature in outlook has spacing that was not previously there. When I go into the signature tabs to fix this, it appears as normal. How can I change this without changing it every time I create an email?

Richard van Breugel 0 Reputation points

2026-02-24T18:38:22.89+00:00

Same problem here

Outlook for Mac, version 16.106.xxxxxxxx
Mac Tahoe 26.3

I had an empty mail in my concepts, when I add one you can see the difference.

And after the latest update:

It happens with all signatures.

Restarted the Mac, and did an update of Outlook (to version 16.106.xxxxxxxx) but to no avail.
Anonymous

2026-02-25T05:24:41.1366667+00:00

Please note that our forum is a public platform, and we will modify your question to hide your personal information in the description. Kindly ensure that you hide any personal or organizational information the next time you post an error or other details to protect personal data.

Hi @Richard van Breugel

Thank you for reaching out.

May I confirm whether creating a completely new signature helped resolve the issue on your side?

In addition, you may consider installing an Outlook for Mac version earlier than 16.101.xx. You can find these versions in the Update history for Office for Mac - Office release notes | Microsoft Learn. In my testing, the issue did not appear when using a version below 16.101.xx

I hope this gives you some additional clarity.
Richard van Breugel 0 Reputation points

2026-02-25T18:59:16.8033333+00:00

I thought I removed enough already, excuse me.

I installed the older version but when starting I always get the latest version, when I remove the latest will all my settings be gone? How to install the old over the new version?
Richard van Breugel 0 Reputation points

2026-02-25T19:01:53.3+00:00

Opening the signatures, copying them and pasting them in a new signature does solve the problem.
Richard van Breugel 0 Reputation points

2026-02-25T19:18:13.37+00:00

But they are not exactly the same...
Anonymous

2026-02-26T10:27:52.5033333+00:00

Hi @Richard van Breugel
Thank you for sharing.

After installing Outlook for Mac with a version earlier than 16.106.xx, please also make sure to disable AutoUpdate.

You can do this by going to: Help > Check for Updates > uncheck “Automatically keep Microsoft Apps up to date.”

Regarding copying and pasting the signature, some formatting elements may not transfer perfectly. Certain layouts, spacing, and styling may require manual adjustments to recreate the original look. Copying and pasting alone may not always reproduce the exact formatting.

I hope this helps provide additional clarity.
Richard van Breugel 0 Reputation points

2026-02-27T16:58:55.7266667+00:00

I cannot install the older over the newer, the newer stays the default app.

Do I need to remove the newer one first? What happens with my settings?
Anonymous

2026-03-02T01:13:36.4533333+00:00

Hi @Richard van Breugel
To install an earlier version of Microsoft Outlook for Mac, you will need to remove the currently installed version first.

You can do this by going to Finder > Applications > Microsoft Outlook > right‑clicking it > Move to Trash.

Once the current version is removed, you can install the earlier version by running the updater.pkg file from the version history notes. After installation, make sure to turn off AutoUpdate to prevent Outlook from updating again.

I hope this provides additional clarity.
Keith Kolodgie 0 Reputation points

2026-03-06T14:05:31.17+00:00

Go to settings. Delete current signature(s). Then re-create your signature and it will resolve.
Blaine McChesney 5 Reputation points

2026-03-11T15:16:49.54+00:00

Same here. I tried to "clear all formatting" and then save it but, same problem.... still double spaced.... This bug just happened when I updated MAC software

8 answers

Bert 0 Reputation points

2026-03-23T14:06:13.86+00:00

Same problem here. Our email signature is centrally handled by Xink.io
I looked at the signature in backend in HTML, and noticed every line break was marked as a paragraph instead of a regular break.
I had a chat AI clean it up and replaced the code in the online backend.
Solved it for me
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Gordon McDonald 0 Reputation points

2026-03-11T03:55:19.4866667+00:00

Same problem here. Very frustrating, and the suggested solution is "use an old version and turn off auto-update 😂"

As another commented has said, copying the signature, creating a new one and pasting it in has solved the issue for me.
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Kara H 0 Reputation points

2026-02-26T06:45:20.8566667+00:00

@Anonymous

When will Microsoft fix this bug with the new release as I also have the same issue? My signature now is now double spaced since new release on MacOS Outlook.

If I copy from the area I edit signatures it doesn't have the issue. It will take me too long to re-create my signature.

Please advise.
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Anonymous

2026-02-26T10:28:47.8866667+00:00

Hi @Kara H

Thank you for reaching out.

May I confirm whether your Outlook version is above 16.106?

If so, you may consider reverting to an earlier version by removing and reinstalling Outlook from the Update history for Office for Mac - Office release notes | Microsoft Learn.

Regarding a fixed date for this issue, as a forum moderator, I do not have access to internal systems or detailed timelines for upcoming fixes.

However, I strongly recommend sharing your experience through the Microsoft Feedback Portal, which is the official channel for reporting unexpected product behavior. You may also vote and comment on the existing feedback describing the same issue: New emails and replies are adding space before and after lines in my signature · Community

I hope this provides helpful insight.

Kara H 0 Reputation points

2026-02-26T10:58:45.01+00:00

Yes version is 16.106.2. I have upvoted this issue.

Chris B 5 Reputation points

2026-08-26T14:39:19.22+00:00

Solved with Soft-Return (Shift-Return) on my Mac, a Hard-Return isn't required, it simplifies text formatting etc and fixes signature error. This has bugged me for a while :-|

Hornblower409 14,425 Reputation points

2026-08-26T14:56:32.43+00:00

@Chris B said

Solved with Soft-Return (Shift-Return) on my Mac

Thanks for the report. Just to make it complete, what Outlook for Mac version are you using?

| Mac | tab at https://support.microsoft.com/en-US/Outlook/getstarted/what-version-of-outlook-do-i-have
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Outlook signature has changed spacing

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