How to open DEF file extension?

DEF file extension

The files used by us on electronic devices have various file extensions thanks to which we know what data is contained by a given file. One of the file formats used on computers is DEF file extension. The full name of this file format is Module-Definition File. The producer of this format is N/A.

If you have a file with such file extension on your computer and you do not know how to start it, you are at the right website.

If you do not know what to do with DEF file, it is worth to click on it twice. Windows System will automatically find the programs which can open a file of a given format or producer. If even the operating system is not able to help, then the proper software used to open files with DEF file extension is not installed on the computer.

Thanks to the installation of a proper program you can not only view the content of such file, but also edit it and save it on the hard disk of your computer. Therefore, it is worth to think about downloading a free or paid application characterized with proper functionality. Below you can find a list of applications that are adequate for DEF files on various operating systems:

File type : Module-Definition File

File type : SmartWare II Data File

File type : M.U.G.E.N. Character Definition File

File type : IOBit Malware Fighter Definitions File

Useful advice

Sometimes it can be so that you have a proper program installed on your computer, but the system still cannot deal with it. It is worth to try changing the association in registry. Thanks to this, Windows will associate the file with proper application. Scanning the registry and searching for errors of such type ma solve many problems concerning improper launch of application.