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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
KDB - Extension Details
Date Added: May 09, 2008
File Extension:  .KDB
Description 1: .KDB file extension is linked with Keypass Database File. This is the database of passwords utilized by KeePass an opensource, free password management application. It stores userpasswords for various logins [i.e. network logon, FTP, email, website, etc.] Passwords can be stored and organized into groups within the database. Originally, KeePass was developed for Windows but it has been ported to Mac OS X and Linux.
Description 2: .KDB file extension is linked with Encrypted Password Database file. This password database is used by KeePass a free, opensource password management application. Passwords in this database can be sorted and organized. KeyPass was developed orignially for MS Windows. However it has been passed on to Linux and Mac OS X with the new name 'KeePassX'. The file opens directly.
File Type:   Data file
Mode: ASCII
Program(s) to Open:  Windows: KeePass; Mac & Unix: KeePassX
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