LanguageDEF
Definition data
File type: Various data file
Files with def extension are usually encountered as definition files used SmartWare, Visual Studio and other apps.
Found 6 different file type records with the same def filename suffix.
What is def file?
File type category:
Various data file
Date updated: September 9, 2024
File extension def is commonly used for so called definition files. These file contains various settings that define certain characteristic ,or operation parameters for programs, devices or their part. Such files are used by many different programs. Sometimes also used for export purposes.
For example module-definition files provide the linker with information about exports, attributes, and other information about the program to be linked. The def file is most useful when building a DLL.
How to open def file?
Use Visual Studio and other tools to work with *.def files.
How to convert def file?
Conversion to other formats is not possible.
Suggested software to open def file:
Associated software actions with the def file
Software applications that can open def files:
RAD Studio (Microsoft Windows)
Software applications that can edit def files:
RAD Studio (Microsoft Windows)
Software capable of saving def files:
RAD Studio (Microsoft Windows)
Software apps that create def files:
Visual C++ (Microsoft Windows)
RAD Studio (Microsoft Windows)
ZEBU's Directory Printer (Microsoft Windows)
ArcGIS for Desktop Basic (ArcView) (Microsoft Windows)
AniSprite (Microsoft Windows)
AutoCAD (Microsoft Windows)
SmartWare II (Microsoft Windows)
SmartWare (Microsoft Windows)
DataFlex (Linux/Unix)
Modula-2 for Java (Multiplatform)
Microsoft Visual Studio (Multiplatform)
OPTLINK (Multiplatform)
Software applications that handle other tasks involving def files:
Visual C++ (Microsoft Windows)
ZEBU's Directory Printer (Microsoft Windows)
ArcGIS for Desktop Basic (ArcView) (Microsoft Windows)
AniSprite (Microsoft Windows)
AutoCAD (Microsoft Windows)
SmartWare II (Microsoft Windows)
SmartWare (Microsoft Windows)
DataFlex (Linux/Unix)
Modula-2 for Java (Multiplatform)
Microsoft Visual Studio (Multiplatform)
OPTLINK (Multiplatform)
Bert's Dinosaurs (Microsoft MS-DOS)
Data Entry/Review Module file
File type category:
Various data file
Date updated: September 18, 2017
The def file extension is associated with the Data Entry & Review Module application that helps users to automate the flow of data. The .def file contains various data used for internal purposes of the Data Entry/Review Module application.
Suggested software to open def file:
Associated software actions with the def file
Software applications that handle other tasks involving def files:
Data Entry & Review Module (Microsoft Windows)
ESwin wizard file
File type category:
Settings, options, themes or skins file
Date updated: October 4, 2012
The DEF file extension is related to the ESwin Spanish engineering software from Procedimientos-Uno.
Suggested software to open def file:
Associated software actions with the def file
Software apps that manage settings for def files:
ESwin (Microsoft Windows)
Software applications that handle other tasks involving def files:
ESwin (Microsoft Windows)
id Tech 6 video settings
File type category:
Game file
Date updated: May 22, 2019
The def file extension is associated with the id Tech 6 a video gaming engine, developed by id Software for Doom (Doom 4, Doom 2016) video game.
The def file contains video card (graphic card) settings. These files are included in *.resources game archive.
How to open def file?
Probably not meant to be accessed by the user.
How to convert def file?
Probably cannot be converted to anything else.
Suggested software to open def file:
Associated software actions with the def file
Software apps that manage settings for def files:
Doom (Doom 4) (Multiplatform)
IOBit Malware Fighter definitions
File type category:
Various data file
Date updated: July 28, 2016
The def file extension is associated with the IOBit Malware Fighter, a software for Microsoft Windows operating system, which is able to detect and remove malware from PC.
The def file contains malware definitions for Malware Fighter.
Suggested software to open def file:
Associated software actions with the def file
Software applications that handle other tasks involving def files:
IObit Malware Fighter (Microsoft Windows)
NovaLogic game weapon profile
File type category:
Game file
Date updated: February 12, 2019
The def file extension is also used in NovaLogic game engine (Voxel Space engine - Delta Force series, and other video games) for files that contain weapon profiles, item profiles, etc.
Suggested software to open def file:
Associated software actions with the def file
Software applications that handle other tasks involving def files:
Delta Force (Microsoft Windows)