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How to open .DWN file extension?

File Type : Cisco Download File
Compatible with (WinXP,Vista,Win7,Win8 and Win10)

Looking for a program to open .DWN files?

"Windows unable to open a file!" is probably the most common error faced by millions every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.



What is .DWN file extension?

.DWN file extension is a known file type. This section of tells you everything you need to know about this extension.
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.
You can see a list of software programs here on that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open .DWN files:

Microsoft Windows:
  • Firmware updater