What is a file extension?Short answer: it's the set of letters after the period (.) in the name of a file. Long answer: File extensions signify the file format of a file. It tells the operating system (OS) how data was stored in the file. Not all OS, require a file extension though. For instance, this is optional in Unix, but is mandatory with MS-DOS and Windows systems. In most file formats the file type is actually defined by the contents (first bytes, file structure), but extensions are used to define the application that is used for opening the file. Below is a detailed database of thousands of file extensions our team has compiled for you. Feel free to browse! |
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| ABCDEFGHIJKLMNOPQRSTUVWXYZ | |||||
| DEF - Extension Details | |||||
| Date Added: | January 03, 2009 | ||||
| File Extension: | .DEF | ||||
| Description 1: | .DEF file extension is linked with TLink WLink Linker Definition File. .DEF files are utilized by the module definition file of linkers to supply additional operation input while generating segmented .DLL or .EXE output file. .DEF file is generally omitted to generate DOS .EXE file. .DEF file identifies the necessary characteristics of a library or an application for Win32 or Win16. It also allocates segment sequences, function orders [for encapsulated functions], and many others, even in the usual DOS .EXE files. | ||||
| Description 2: | .DEF file extension is linked with [ZDP] ZEBUs Directory Printer. It is the file that contains the directory printer definitions of ZDP. These definitions determine the userdefined output formats for this application. ZEBUs Directory Printer or ZDP is a Windowsbased application that has the following features: allows users to export entries in a directory; output formatting with various predefined formats; the program is convertible from English to German as well as other languages if needed. .DEF file extension and ZDP are owned and developed by ZEBU. | ||||
| Description 3: | .DEF file extension is linked with ModuleDefinition File. This file lists the attributes and exports of an application that needs to be linked by an application linker. .DEF files are utilized in software development particularly when creating a DLL. The standard .DEF file is supported by various software development applications. | ||||
| Description 4: | .DEF file extension is linked with ArcView Defaults file. This file contains the layout templates, North arrows and others. ArcView is a GIS [geographic information system] program which is used for visualizing, analyzing, creating and managing geographical data. Other features include: quality mapping, spatial analysis, data use and integration, readtouse datasets, GIS deployment, map viewing and navigation, data query and exploration, and map printing. ArcView is owned and developed by ESRI. | ||||
| Description 5: | .DEF file extension is linked with Data Entry & Review Module File. This is the file extension utilized by Data Entry & Review Module is an application that helps automate the flow of data. It is essential in the fields of census and salary information since it eliminates tremendous amount of paperwork and allows users to enter data electronically, and data transfers can be conveniently imported via modem, network or physically via discs. Data Entry & Review Module is owned and developed by DATAIR Employee Benefit System Inc. | ||||
| Description 6: | .DEF file extension is linked with ADS Source Code File. This is the file extension for the source code files utilized by Autodesk applications such as AutoCAD. AutoCAD is a computeraided design platform which provides users the necessary tools to create customized AutoCADbased software products for particular markets and extended design information to nonAutoCAD users. .DEF file extension and AutoCAD are owned and developed by Autodesk Inc. | ||||
| Description 7: | .DEF file extension is linked with Modula2 Definition Module File. This is the file extension for the definition module file utilized by Modula2 a programming language that aims to continue the tradition of Pascal in terms of type safety as well as introducing new realworld programming constructs. .DEF file extension is associated with Modula2 for Java which is a programming language compiler for Java. It is supported and distributed by MHCCORP.COM. | ||||
| Description 8: | .DEF file extension is linked with OPTILINK Digital Mars Module Definition File. This file extension is for the module definition file that provides additional input for OPTILINK operations when it is generating segmented .DLL or .EXE output files. .DEF file is usually omitted when generating a DOS .EXE file. It identifies the necessary characteristics of a library or application for Win16 or Win32. .DEF file may also assign function orders, segment sequences, etc. OPTILINK is a highspeed, highcapacity program linker designed for professional programmers so they can create standard .EXE and .COM executable files for MSDOS, segmented .EXE files, and .DLL for Windows and Wind32. Other great features of OPTILINK are: combines .OBJ and .LIB files into one OSexecutable file; can optionally generate symbol tables and memory maps for debugging purposes. .DEF file extension and OPTILINK are owned and developed by Digital Mars. | ||||
| Description 9: | .DEF file extension is linked with Module Definition file. This file lists the attributes and exports made by a program to be linked by an application linker. .DEF file extension is utilized in software development, particularly when creating a DLL. .DEF is a common file extension used by module definition files. | ||||
| Description 10: | .DEF file extension is linked with AniSprite File. This is the file extension utilized by AniSprite a multiple layer sprite animations library created for MS Windows [versions 3.1x, 3.1X with Win32s, Windows 95/98/ME/NT/2000/XP]. It is geared towards games and multimedia programmers, as well as graphical design and business applications which require AniSprite. This application is owned and developed by ITB CompuPhase. | ||||
| Description 11: | .DEF file extension is linked with SmartWare II Data File. This is the file extension for the data file utilized by SmartWare II is the updated Smart Software System. It has of 4 modules namely: database, word processor, communications and spreadsheet with graphics. It also offers a comprehensive selection of features which facilitate complex custom applications and program generation. SmartWare II is owned and developed by IBM Corporation. | ||||
| Description 12: | .DEF file extension is linked with Berts Dinosaurs File. This is the file extension utilized by Berts Dinosaurs an old application that caters to the imagination of every child. It is a fun coloring program that allows kids to create their own picture by choosing their own backgrounds, placing various dinosaurs with 4 varying sizes, and coloring their finished pictures. A window for short story is provided were kids can write to accompany their picture. Berts Dinosaurs is owned and developed by Wierenga Software. | ||||
| File Type: | Data File | ||||
| Mode: | ASCII | ||||
| Program(s) to Open: | Windows: Berts Dinosaurs | ||||
| Common: | |||||
| Extension: | |||||
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