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Upload Video files from PowerApps to SharePoint library

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Posted on by ishwar

We have a flow that uploads attachments from PowerApps to the SharePoint document library and to read the file content "dataUriToBinary" has been used. However, it is working for all the file types except video files. Being a newbie to PowerAutomate world, any help/guidance would be appreciated.

Error is shown in PowerApps is

FlowName.Run failed : {"error" : { "code" :413, "Message" : The response is not in a JSON format", "innerError" : "Cannot read server response"}}

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Building flows

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fchopo 8,003 Moderator on at

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Hi @ishwar

2 weeks ago I helped in solving a similar problem, in that case with a png file: Solved: Re: Powerapps -> onedrive image in base64 not conv... - Power Platform Community (microsoft.com)

Could you try to have a look at the base64 value and remove header ("data&colon;video/...;base64,") and "==" end characters?

Hope it helps!

Ferran

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ishwar 10 on at

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Hi @fchopo

Thanks for your response
Sorry, but I didn't get the mentioned thread and the changes you mentioned. My implementation is exact replica of the below-mentioned blog. Where do you want me to update?
PowerApps upload file to SharePoint document library - SPGuides

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fchopo 8,003 Moderator on at

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When flows is receiving the base64 image, which value are you receiving?

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ishwar 10 on at

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Hello,

Apologies for the confusion. I have observed it with multiple video files and .mp4 files with sizes less than 80MB are working fine and getting uploaded to the SharePoint library. The above error is occurring for files having a size of more than 80 MB.

The attachment control's Maximum Attachment Size (in MB) is set to - 250.

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fchopo 8,003 Moderator on at

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Hi @ishwar

According to this Microsoft official blog post: JSON for canvas apps | Microsoft Power Apps the JSON function (in PowerApps) has no size limit for binary data or text strings beyond available memory on the device.

So, it seems that the issue depends on the device you're running your Power App.

Hope it helps!

Ferran

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