.DWN File Extension
Firmware Update File
2.3 | 4 Votes
What is a DWN file?
Software update file that is used to update the firmware of a hardware device, such as a router, modem, or graphics card; typically accessed by the hardware's associated setup program.
Since DWN files are referenced by a hardware setup program, they should not be opened manually. Instead, the file should be selected within the setup program at the beginning of the update process.
Programs that open or reference DWN files