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Upload a 1 GB file from Power Pages

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Posted on by skolarvs

Hi Team,

I would like to upload a large (~1 GB) file for validation. My validation logic has been implemented in the Azure function.

How can I implement this without using SharePoint? I tried sending large files directly to Power Automate, but Power Automate cannot handle big files.

I am looking for a solution to send a large file from Power Page (HTML page) to Azure Blob storage. Then, the Azure function (validation function) will trigger when the file is uploaded to Azure Bob storage.

Power Pages --> Azure Blob storage --> Azure Function

Has anyone implemented a similar in your project?

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oliver.rodrigues 9,449 Most Valuable Professional on at

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You can enable Blob Storage when uploading files via Power Pages, I haven't done it myself, but it's well documented:

Enable Azure storage | Microsoft Learn

Set up notes as attachments for basic and multistep forms | Microsoft Learn

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skolarvs 67 on at

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@OliverRodrigues Thanks for your response. However, when I check this link, it is clearly saying -
The maximum file upload size is 125 MB.
is there a way to increase the file size to 1 GB?

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Fubar 8,487 Super User 2026 Season 1 on at

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@Sandeep009 wrote:

@OliverRodrigues Thanks for your response. However, when I check this link, it is clearly saying -

The maximum file upload size is 125 MB.

is there a way to increase the file size to 1 GB?

Not at the moment (not sure if its on the drawing board for the future), at the moment it is using using Dataverse's limit.

Only way I could think to do it would be either via a custom SharePoint implementation (a lot of custom work - the consultancy side of what was AdxStudio - Microsoft bought the AdxStudio Portal product not the Consultancy- built one, not sure if that is still available or what limits it had, they did theirs just before Microsoft re-implemented the more native integration) or possibly using the Portals Implicit Grant Flow (https://learn.microsoft.com/en-us/power-pages/security/oauth-implicit-grant-flow) off a custom file upload button (but not sure if you will encounter other timeouts or limits).

Personally I think if you have to deal with files of that size, you may need to build a custom portal.

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