An American judge in northern Virginia is scheduled to hear arguments on what should be done with millions of data files on the Megaupload site.
Megaupload founder Kim Dotcom and three others were arrested after police raids in Auckland.
The men are facing extradition to the United States, where they face charges of copyright infringement, money laundering and racketeering in relation to the popular file-sharing website.
They were arrested and the website, one of the world's largest, shut down following an FBI investigation.
Megaupload is no longer paying for the 1100 servers, which hold the website's data, including movies and TV shows protected by copyright, but wants the files preserved for evidence.
The company that owns the servers wants guidance from the court in northern Virginia about what to do with the files.
There are calls from internet advocates for legitimate users to be able to retrieve their files.
The judge will hold the hearing at 10am on Friday, Eastern Standard Time (1am NZT, Saturday).
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