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Embedded images do not display in Outlook 2013

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Posted on by rwittels

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Hi. I have a flow which sends an HTML formatted email. The flow works fine and images display in all new versions of Outlook and most email clients on mobile devices. I have an issue with images not displaying in Outlook 2013. There is no banner to download images, it just gives an error:

I am using Get File Content to get the file and then composing with base64 expression.

Is there a workaround to get images to display in older versions of Outlook?

I have read this and it doesn't work at all, not even in new versions of Outlook:

https://www.sjlewis.com/2019/09/17/microsoft-flow-how-to-embed-an-image-in-an-email/

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Paulie78 8,422 Moderator on at

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I responded to someone yesterday about a very similar question. Embedding images in email is not really straightforward and every client supports different things. Ideally it is best to have the image you want to display on a publicly accessible location on the internet, but many people want to use images that are stored within SharePoint.

Is the image that you are trying to display within SharePoint?

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rwittels 510 on at

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Yes. If I place them on a public location, how does my flow change? I obviously don't use Get File Content from SharePoint. Also, does the compose expression change?
(base64(outputs('Get_my_image')?['body']))

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Paulie78 8,422 Moderator on at

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The blog post you linked to should work, the only issue I see on that post is that the image type is hard coded as JPG. What format is the image that you are trying to embed?

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rwittels 510 on at

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My images are all PNG.
I did do a test flow with his blog. I just changed jpeg to png in this string (it keeps changing my : to &colon;):

data&colon;image/jpeg;base64

The emails arrived blank.

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Paulie78 8,422 Moderator on at

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That should work, but I you are using an incorrect expression above that:

(base64(outputs('Get_my_image')?['body']))

This is base64 encoding something that is already base64. Are you using the "Get file content using path" action? If so try an expression like this instead:

outputs('Get_my_image')?['$content']

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rwittels 510 on at

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Sorry, my problem is not with this expression. It works and my email works fine. The only problem is that the images do not display in Outlook 2013. Should I try a public server first and how would my flow change to get the image and compose it?

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rwittels 510 on at

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Using a public source appears to be working. Thanks for the advice.
Update: This works great! Using a web server is so much easier than SharePoint.

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