File Extension DR_

File type: Compressed Device Driver File

About the DR_ file type:

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The DR_ file extension represents the compressed form of the DRV file format utilized by the Video for Windows application. This format file provides particular hardware equipment (external and internal variants) with the ability of being recognized and utilized by the computer system. The DRV file extension normally contains instructions which provide the framework for the establishment of the communication between the hardware device and the computer system. The DR_ format compresses the contents of this driver file so that it can be made small enough to incorporate it into the installation package of the application. Normally, the file is decompressed during the installation of the software and copied to the target computer system. The DR_ file format is not usable in the computer system because the application will not be able to read the contents of the compressed file. Upon decompression, all instructions are made available to the program to allow the execution of its intended function. The file extension is likewise converted from the DR_ file extension to the DRV format file. Consistent with the characteristics of most driver files, a single DRV file format can be utilized by more than a single application.

Detailed information for file extension DR_

Category: System Files
File format: Proprietary
Open with Windows: Video for Windows
Open with Linux: N/A
The Video for Windows application associated with the DR_ file extension is a type of multimedia framework created by Microsoft to allow the playing of digital video contents under the Microsoft Windows Operating System platform. Normally, the installation of this video software includes the extraction of the VFWWDM.DR_ (capture driver), VFWWDM32.DLL (image class helper of the capture driver), and the H263_32.DR_ (Intel I420 Codec). This software supported by the DR_ file extension was launched in November 1992 as an answer to the QuickTime technology introduced by Apple Inc. to the computer video market catered to by the Macintosh environment. The DR_ file extension supported the encoding and editing functionalities of the application which hosted video inputs from video capture card boards. Microsoft also released a runtime version of the application for the viewing videos. Initially, the application was distributed as a free add-on to the Windows 3.1 and 3.11 Operating System versions. With the release of the Windows 95 and newer versions, the Video for Windows became an integral part of the Operating System's functionalities.