New Outlook on macOS: Can't drag and drop email to upload in Chrome and FF

Anonymous
2025-05-13T08:37:35+00:00

I'm using the new Outlook on macOS, Outlook Version 16.96.2 (from an MS365 abo).

Up to now, it was possible to drag and drop e-mails directly from Outlook to an upload field in any web browser - it created a .eml file and uploaded the mail file.

We use this behavior on our CRM system, but it also worked with any file upload UI in any web application.

Suddenly, now this does not work in Chrome and Firefox on Mac anymore. However, in Safari ist still works.

If I drag and drop an email to a folder in finder, it creates an .eml file as expected. From there I can drag and drop the eml file to the browser upload, and that works as well. But the direct drag and drop to the browser stopped working in Chrome and FF.

Please fix it, thanks.

Outlook | MacOS | New Outlook for Mac | For home

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  1. Anonymous
    2025-05-13T11:15:45+00:00

    Hi RW_hwk,

    Thank you for posting in Microsoft Community.

    From your description, I understand that you're experiencing issues with drag and drop email to upload on Outlook and I'm sorry to hear about the issues you're experiencing with. To better assist you, could you please provide more details such as specific error messages or codes displayed when the issue occurs?

    In the meantime, please try the following troubleshooting steps:

    1. You can check the browser up to date or you can try to reinstall browser.
    2. If you have more than one user profile on Outlook, you can try creating a new user profile on your Mac and testing Outlook and browsers there to see if the issue persists.

    I'm waiting for your response and thank you very much for your patience.

    Best regards,
    Mia - MSFT | Microsoft Community Support Specialist

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  2. Anonymous
    2025-05-13T14:44:55+00:00

    Hi, all my browsers are up to date. And I tried with another user profile, but the problem still exists.

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  3. Anonymous
    2025-05-15T13:53:41+00:00

    Hi RW_hwk,

    Thank you very much for your update and your patience. I sincerely apologize for the delay in getting back to you, and I truly appreciate all your effort in trying to resolve the issue.

    Since the drag-and-drop to upload works in one environment but not in others, it suggests this may be related to recent changes in how the new Outlook app interacts with different web upload interfaces on macOS. Currently, there is no specific setting within Outlook for Mac that controls drag-and-drop behavior across all browsers or upload fields.

    To help improve the product, I recommend submitting feedback through the How do I give feedback on Microsoft 365? - Microsoft Support. This will ensure the product team is aware of the issue and can investigate for future updates.

    As a temporary workaround, you can consider to continuing to save the file locally and then uploading it manually.

    Please let me know if you need any assistance or have other questions.

    Best regards,
    Mia - MSFT | Microsoft Community Support Specialist

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  4. Anonymous
    2025-05-16T06:02:53+00:00

    Hi RW_hwk,

    Just checking in to see if the above information was helpful. If you have any further updates on this issue, please feel free to post back. If you think my reply is helpful to you, please remember to mark it as an answer. Warm thanks.

    Best regards,
    Mia - MSFT | Microsoft Community Support Specialist

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  5. Anonymous
    2025-05-16T06:12:58+00:00

    Hi, I have used the feedback function in Outlook to report this issue. We will see, if something will happen.

    Thanks, best regards RW

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