How to set maximum file size that can be uploaded in a PDF form?

I want to give a lower and upper limit to the (PDF) file size that can be uploaded into a PDF form field. How can I achieve the same?

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Community Expert

Do you mean a file that's attached to the PDF? It's not possible to do that.

Community Expert

However, you can attach the file, check the size, and then remove the attachment before saving if the size doesn't match the criteria.

Community Expert

That won't work because the file-size value only updates when the file is saved.

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