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My Outlook on Mac isn't showing my email content when I press reply - works on browser not on app.

info 20 Reputation points
2026-06-17T08:36:46.53+00:00

Hi team,

Can anyone advise on this please? my Outlook was fine yesterday but logging on this morning I'm unable to see the replies of my email chain when I go to reply. It only shows the subject and sender. I sent my first email across to see if it was just a bug, but it also doesn't show any of the previous email chain responses. It appears to be affecting all accounts on the app, and my browser version is fine.

I'm using a Mac, so not sure of next steps. I can see the version I am using is 16.110 which updated 15 hours ago.

Please advise, my email chains are very important as I need them for work. Thank you.

Outlook | MacOS | Legacy Outlook for Mac | For business

Answer accepted by question author

Vergil-V 14,860 Reputation points Microsoft External Staff Moderator
2026-06-17T09:11:14.07+00:00

Hi info

In my testing environment with Legacy Outlook for Mac version 16.109.3, the content of the original email is still retained when replying. 

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With that in mind, may I kindly confirm which version of Legacy Outlook for Mac you are currently using? You can check this by going to Outlook > About Outlook. 

If your version is higher than 16.109.3, you may consider reverting to version 16.109.3. This can be done by removing the current Outlook version and installing version 16.109.3 using the updater.pkg available from the Update history for Office for Mac - Office release notes | Microsoft Learn 

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After that, you may turn off automatic updates for Legacy Outlook for Mac by going to Help > Check for Updates > unchecking Automatically keep Microsoft apps up to date. 
As an alternative, you may also try the New Outlook for Mac, where this behavior does not occur. 

I hope this provides some helpful direction. 

If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment". 

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  1. AI answer

    2026-06-17T08:36:58.3333333+00:00

    This behavior matches a known Outlook for Mac issue where, in some language versions, reply/forward headers are truncated and only show From and Date, without Subject or recipients. It was fixed in an earlier build, and similar issues are typically resolved by updating to the latest Outlook for Mac version.

    Since version 16.110 installed 15 hours ago and the problem started immediately afterward, the next steps are:

    1. Check for and install any newer Office for Mac updates
      • In Outlook for Mac, go to Help > Check for Updates.
      • Ensure updates are set to install automatically and apply any available update.
    2. If already on the latest build, switch update channel and update again (if available in Microsoft AutoUpdate)
      • In the Microsoft AutoUpdate window, choose a different update channel if offered (for example, Current Channel vs. Beta/Preview), then check for updates again and install.
    3. If the issue persists after updating
      • Use Outlook on the web or another client temporarily for critical work, since the browser version is displaying the full conversation correctly.
      • Monitor the Outlook for Mac “recent issues” page for a fix in a subsequent build.

    References:

    AI-generated content may be incorrect. Read our transparency notes for more information.

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