How to open .def file format?

The probably reason why you are at this website is a problem with opening .def file. The full name of the file is Module-Definition File. If the double-click on the file’s icon shows you a message that additional programs are needed to open the file, you’ll find the list of helpful programs in the bottom of the page.

.def file extension (Module-Definition File)

Category Developer/Producer File description Popularity
Developer Files N/A Module-Definition File
RateRateRate
Programs using this file extension: .def
ADS OS Software
Windows
Windows
  • Microsoft Visual Studio 2012

.def file extension (SmartWare II Data File)

Category Developer/Producer File description Popularity
Spreadsheet Files SmartWare SmartWare II Data File
RateRate
Programs using this file extension: .def
OS Software
Windows
Windows
  • SmartWare

.def file extension (M.U.G.E.N. Character Definition File)

Category Developer/Producer File description Popularity
Game Files Elecbyte M.U.G.E.N. Character Definition File
Rate
Programs using this file extension: .def
OS Software
Windows
Windows
  • Elecbyte M.U.G.E.N.

.def file extension (IOBit Malware Fighter Definitions File)

Category Developer/Producer File description Popularity
Data Files IObit IOBit Malware Fighter Definitions File
Rate
Programs using this file extension: .def
OS Software
Windows
Windows
  • IObit Malware Fighter


The file extension .def can be used by another programs. If you have some useful information about .def file type that may help other users HowOpen.org, please send them to us and we’ll update our database.

Visiting our website you are probably asking yourself:
  • What application can open .def file?
  • How to open .def file?
  • What is .def file?
  • How can I convert .def file?
  • Where can I find informations about .def file extension?
We hope we have given you enough informations about this file type. Otherwise you can search some informations about .def extension on Wikipedia.org or FileInfo.com