File Type Partially Downloaded File IconPartially Downloaded File
File Format Standard (developed by Apple)
Usage Referenced by an application; not meant to be opened manually; may run a program or script when opened
Rank ★ ★ ☆  Average

File that is currently being downloaded or that was stopped before the download finished; may usually be resumed using the same Web browser that started the download.

Some P2P file sharing websites also save active downloads with the ".download" extension. The appropriate file extension is typically added once the download is complete.

Open With

IconApple Safari

Updated November 11, 2014
Information from the PC File Extensions Reference