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Can not embed image in a email



I'm trying to send an email with an embedded image that i get from sharepoint library. The problem is that i tried embed it using CID and base64 code and it's not working:




I made the next configuration in the Send Mail action:


When i use aditional parameters in Attachments section(because i need the ContenID), it gave an error(i tried many combinations of parameters). And when i left only two parameters (Name and ContentBytes) it sent correctly the attachment but it not show embedded (because i can not define the ContentID). I tried using the same name of the file as CID, but it did not work.


USING base64


When i tried using a base64 string from the image (as shown below):CapturaBASE64.PNG

Using the next Expression:



When i viewed the execution it shows everything fine:



But in the email in the inbox is removed the base64 code and it's not showing nothing:Capturabase64emoved.PNG


Please can you help me to solve the problem.?


Thanks in advance.



Community Support
Community Support

Hi @Jeshagio,


Could you please share a full a screenshot of your flow's configuration?

Do mean to embed Image into Email Body?


The Community Support Team 



Community Support Team _ Kris Dai
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Hi  @v-xida-msft, thanks for your reply. The configuration of the flow is the next:Config


As you see in the flow i get the image from a sharepoint library an embed it using 64basecode string in the body of the email:


I read the post you mentioned (from v-micsh-msft), when i tested using small picture (2KB) like in the example, it worked(as i show below):

red dot

The 64basecode string it's ok:

red dot code


But when i tried with a bigger picture (46KB), it did not work. The flow execution showed the base64code of the image:

wrong execution

But when the emal arrived the 64basecode of the image is not there (as i show in the image below), the img tag it's empty, like if it was removed::


email empty


I think the problem it's with the flow or maybe the Exchange server, because with an small image it´s working


Hope your comments.

Advocate I
Advocate I

I'm having same issue. Base64 and any expressions I use get removed. Must be a bug or Microsoft restriction.

Are there any updates?

According to this thread, the ability to embed images in the way you describe has been removed. 😞

This is crazy. Can we please get a non-hack, standardized method for insertingimages to Email Body in Flow? Unless I'm missing a new standard, this has been a longstanding issue.


Use cases waiting on this functionality:

- Add images from a Sharepoint Image library to an HTML email body

- Add images from an Azure Maps API call to an HTML email body

Hello everyone little late to this forum but it definitely help me. This is for anyone who is still having this issue and their images are hosted in a Sharepoint folder/image library. Under the standard connectors for Sharepoint you can select the "File Content by Path" and grab the image either jpeg or png haven't tested svg. In your email body under "Attachment Content" select add dynamic content and you're going to select "File Content". In the attachment name type the ImageName.jpg or png. The imageName can be anything you set. After that in the image body make sure html is set to yes and use the <img src="ImageName"/> the image src must be the same name as the attachment name. Also the user might need to mark the domain as a safe sender. I did this and the image displayed in Outlook Client 2016 and Office 365 Outlook. Hope this helps
Not applicable

Hi all, as @Jcalann said, this is overdue but might help future searchers. At the time of writing, two ways of embedding work: as attachment (see above message), and as base64.


For base64 you have to retrieve the content with Get file content using path, and paste this snippet in the email body (html):


<img border='0' src='data&colon;image/png;base64,@{body('Get_file_content_using_path')?['$content']}' alt=”My Image”><br>


The content can also be defined as a variable with body('Get_file_content_using_path')?['$content'] .

Create a string variable and paste it in the value bar, or add it as an Expression in the following way:

1. Type it as 'Expression'

2. Select the 'Dynamic content' tab again. The text should remain there. Click on OK.Picture1.png

Not applicable

@Jcalann Bravo!!! This works for me! BUT, there needs a tiny modification of the <img> part for me: I need to write the full image name like <img src="Image.jpeg" width="10" height="20">. Otherwise, the picture cannot be displayed. 


Also, this "attachment" approch displays successfully for both "Outlook2016 desktop" and "Outlook Windows10 desktop". For me, base64 only works for Win10 version. 


Hope my reply will help other ones still trapped in this 🙂 It took me almost 2 days to find the final general solution. 

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