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The File Extension Library

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!


Browse all Extensions:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
BAD - Extension Details
Date Added: January 01, 1970
File Extension:  .BAD
Description 1: Windows: CoCreate.BAD file extension is linked with Oracle BAD File. This is the file extension utilized by Oracle Applications such as Oracle Database 11g a database solution that provides users the agility for fast response to the changing business situations, gain competitive edge via technological innovation and lower costs. It offers users the following features: quickly adopt new technology via Real Application Testing; advanced compression and partitioning that allows users to manage more data; simplify systems; maximize ROI with the help and availability of recovery resources; many others.
Description 2: .BAD file extension is linked with Brutus Application Definition File. This is the file extension for the application definition file utilized by Brutus on the most flexible and fastest remote password crackers available today. It is freeware and available for Windows 9x, 2000 and NT versions. In October 1998, Brutus was made available to the public. Since then, it was downloaded at least 700,000 times and with over 175,000 website visitors. Brutus is owned and developed by HooBie Inc.
Description 3: .BAD file extension is linked with Bad File. This file carries the information about the errors or problems that a utility uses when fixing invalid records or duplicate files. .BAD file extension is also associated with DataFlex 4GL objectoriented, relational database programming language which can run programs without being recompiled and across platforms [Windows and Unix]. The strongest feature of DataFlex is its ability to be ported in various operating systems.
File Type:   Database File
Mode: Binary
Program(s) to Open:  Windows & Unix: DataFlex
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