URGENT/IMPORTANT: Images not showing in Outlook for Mac after an update

JT 5 Reputation points
2026-07-17T18:26:25.0666667+00:00

No images are showing in Outlook, in the body or email signatures (my own or received emails) for New Outlook for Mac after an update; it was working fine until a recent Microsoft update. If I switch to legacy Outlook for Mac, it all works fine with visibility of all images.

When an email is sent, the recipient can see all the images in the signature fine; this is a viewing issue in "New Outlook for Mac"

I can confirm this is a New Outlook for Mac issue specifically. When I insert an image into my email body (via Insert Picture, drag-and-drop, or copy/paste), it fails to embed; the image either shows a blank placeholder or nothing at all, both when composing and in received emails.

I've isolated the cause: switching to Legacy Outlook for Mac and rebuilding the same signature with the same image works perfectly every time. The image displays correctly with no issues. This confirms the problem is in New Outlook's editor/image handling, not my account, image file, or settings.

Given this is a reproducible regression affecting a core feature, could this be escalated to the New Outlook for Mac product team rather than handled as a general support case? I'm happy to provide screen recordings, build numbers, or any further diagnostic information needed.

Outlook | MacOS | New Outlook for Mac | For home

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  1. Victor1-V 13,025 Reputation points Microsoft External Staff Moderator
    2026-07-21T09:19:48.1966667+00:00

    Hi everyone,

    Thank you for sharing the additional details. Since several users are seeing the same image-display behavior, each affected user should submit feedback directly from New Outlook for Mac through Help > Give Feedback and include the macOS and Outlook version. Individual reports can provide additional diagnostic information to the Outlook team.

    Also, as Jo mentioned, updating to macOS 26.6 RC resolved the issue on their device. If that update is offered through System Settings > General > Software Update, you may install it and test Outlook again. Please note that this result was reported by another user and may not apply to every device.

    Please note that this is a user-to-user forum, so contributors cannot submit or escalate reports on behalf of affected users.

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  2. Victor1-V 13,025 Reputation points Microsoft External Staff Moderator
    2026-07-18T07:22:31.44+00:00

    Hi JT,

    I understand that images stopped displaying in both messages and signatures immediately after the update, while the same content works correctly in Legacy Outlook for Mac and remains visible to recipients. This strongly suggests a display-related issue within New Outlook for Mac rather than a problem with the image files or mailbox.

    Please note that this is a user-to-user forum, so contributors cannot directly escalate cases to the Outlook product team. For now, continue using Legacy Outlook as a temporary workaround, then report the issue through Help > Contact Support in New Outlook. Include:

    • The full Outlook version and build from Outlook > About Outlook
    • The macOS version
    • Screenshots or a screen recording
    • Confirmation that Legacy Outlook displays the same images correctly
    • Confirmation that recipients can see the images after sending

    These details will allow Outlook Support to collect diagnostic information and forward the case for product-level investigation. You can also submit the same information through Help > Give Feedback.

    A similar Q&A report involving blank image placeholders after a recent update was posted recently. You can also monitor the Outlook for Mac recent issues page for updates.

    I hope the temporary workaround keeps email composition usable while the report is reviewed.

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