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Instant Cloud Flow Fails with Attachment from Folder but not Camera

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Posted on by David_MA

12,908 Super User 2025 Season 2

I have an instant cloud flow that we run on mobile devices, which includes an attachment field. If the user takes a picture with their camera, the flow runs without any issues and sends an e-mail with the included attachment. However, if the photo is uploaded from a folder, the flow fails. We only use iPhones for our company devices. Has anyone encountered this behavior?

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Building flows

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David_MA 12,908 Super User 2025 Season 2 on at

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Re: Instant Cloud Flow Fails with Attachment from Folder but not Camera

A little more digging around on the internet, I solved the problem. Since we use iPhones, the images are saved in HEIC format. To resolve this I needed to add base64ToBinary() to my attachment content string.

base64ToBinary(triggerBody()['file']['contentBytes'])

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v-xiaochen-msft on at

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Re: Instant Cloud Flow Fails with Attachment from Folder but not Camera

Hi @David_MA ,

Glad to see you resolved the issue.

Please consider marking your own reply as a solution.

Best Regards,

Wearsky

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