.DEF File Extension
File Type 1
Module-Definition File
(Most common)
File Format
File
Common?
No
File Description
Lists the exports and attributes of a program to be linked by an application linker; used in software development when creating a DLL
Program(s) that open def files
Windows:
Microsoft Visual C++ or other C++ development software
File Type 2
SmartWare II Data File
File Format
File
Common?
No
File Description
Spreadsheet and database format used by SmartWare II database software
Program(s) that open def files
Windows:
SmartWare II
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/def
