How to download Base64 file type in canvas app

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Posted on by DarkInvader

Hello All,

I'm developing a app which has a functionality of downloading any file chosen.

But I'm Facing issue with download function on Mobile as well as on tablet (I do have a launch function which is working but I want to use it has a backup).

So I'm trying to get something out of Base64 String.

So I'm getting base64 string of any file type, So my question is How to Download a file having it's Base64 string?

Best Regards

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Building Power Apps

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v-jefferni on at

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Hi @Abhishek_Shinde ,

You need to generate an actual file somewhere, like in OneDrive or SharePoint library, then you will be able to use Download() function. The Download function only accepts URLs as input parameter.

Hope this helps.

Best regards,

Community Support Team _ Jeffer Ni
If this post helps, then please consider Accept it as the solution to help the other members find it.

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Joseff 37 on at

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I was looking for an answer to this and couldn't find anything.

After messing around in PowerApps a bit it turns out if you create an attachment control and set the items similar to below it will download straight from the control:

[{DisplayName:"data.svg",Id:"data&colon;image/svg+xml;base64,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"}]

Edit:
After looking at this and using it a little more one thing to be aware of is the Name and Value in the controls advanced settings:
I found that mine kept defaulting the Value back to DisplayName which wont work so you just need to make sure these are set correctly

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