Outlook 2016 is not displaying images in HTML type mails

Alper Günay 21 Reputation points
2022-08-25T14:57:17.453+00:00

Hi All,
Some of our users are unable to load images when local recipient send them an e-mail with HTML based content.
it appears little square and X sign when they access message.

Images are linked in an internet site. All users go to proxy server to access Internet.
They reach and see images via browser but Outlook is not showing content in the body.

Image source like this in html source --> <img src="https://websitename/sample.png">

I checked known controls in the forums.

  • Clearing IE cache --> issue persists
  • Outlook Safe Mode --> issue persists
  • temp folder access control --> OK
  • Outlook Trust center "Don't download pictures automatically in HTML e-mail messages or RSS items checkbox" --> check box disabled. issue persists
  • After forwarding problematic the email to me , the images appear in my Outlook.
  • Sender and recipient are in the same mail domain. thats why I haven't added as safe sender

I suspect local machine or user GPO.

Something goes wrong but I didnt figure out.
I want to make sure what should I do after these steps?
Thank you.

Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
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  1. ChristyZhang-MSFT 20,726 Reputation points Microsoft Vendor
    2022-08-26T05:44:29.57+00:00

    Hi @Alper Günay ,

    Welcome to our forum!

    it appears little square and X sign when they access message.

    Is there a button above the email to download the image? If possible, please provide a screenshot about it for our better research. (In order to avoid the disclosure of your privacy, please remember to hide your personal information).

    On the other hand, in order to confirm if the issue is related to the image itself, please contact the sender to send an email with another image and check if the issue occurs.

    In addtion, i found a similar issue as yours, please refer to the below figure:
    235039-17.png

    If it's your issue, please try the solutions mentioned in this article: HTTPS linked images in HTML emails display the red X.


    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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  2. Alper Günay 21 Reputation points
    2022-08-31T07:01:41.077+00:00

    Hi @ChristyZhang-MSFT
    it didnt work the solution that you propose.
    I need a little correction as well. Additionally, we see different display when the image disappears in mail body. I have added as attachments to this entry. 236417-mk1.jpg236339-mk2.jpg236408-mk3.jpg236350-mk4.jpg

    What else should we do?
    Thank you.

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  3. Alper Günay 21 Reputation points
    2022-08-31T09:21:44.35+00:00

    Hi @ChristyZhang-MSFT
    I also wanted to answer question below.
    Is there a button above the email to download the image? --> No, I can't see download image option.

    Thank you.


  4. Alper Günay 21 Reputation points
    2022-09-15T15:16:25.653+00:00

    Hi @ChristyZhang-MSFT

    I tried the solution for the condition 1. it didnt work. issue persists.

    I tried the solution for the condition 2. I checked the registry for BlockHTTPimages. this registry value was absent.

    Client OS is Win10,
    MS Outlook 2016 version is 16.0.4549.1000 (32 bit)

    What else do you recommend for solution?
    thank you.

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