File that has been partially downloaded from the Internet; used for downloads that are in progress or have been stopped; some PART files can be resumed at a later time using the same program that started the download.
PART files are used by several file transfer programs, including Go!Zilla, eMule, and the discontinued eDonkey program.
NOTE: To resume a PART file download with FlashGet, you may need to rename the extension to .JC.