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I am using sp2010. I try to upload a file which is 19gb in a document library. The extension of this file is .DFSU. I see no error. I still see the popup where you can browse the file after I press on the OK button. Whats the issue. Is the file to large or is the extension not OK?

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up vote 2 down vote accepted

19GB is way way over the default upload size limit. Even if you increase the limit the supported max file size is 2GB.

More, and source: and

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Thank you for the good answer. – Ola Aug 13 '14 at 8:31

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