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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
LDIF - Extension Details
Date Added: January 11, 2008
File Extension:  .LDIF
Description 1: .LDIF file extension is linked with Address Book Interchange Format. This is the file extension for the address book interchange format utilized by Mozilla Thunderbird the acclaimed Mozilla email client that lets users import existing email and offers potent spam protection. It is easy to organize, customize and secure. .LDIF file extension and Mozilla Thunderbird are owned and developed by Mozilla Foundation.
Description 2: .LDIF file extension is linked with LDAP Data Interchange Format File. It is a textbased interchange data file utilized by LDAP directories. .LDIF file describes directory entries, the directory itself and any changes made to the directory entries. .LDIF files have one or more entries that are separated by blank line. Each directory entry carries optional entry ID, a unique name, object class/es, and multiple attribute classifications.
File Type:   Data File
Mode: ASCII
Program(s) to Open:  Windows: Apache Directory, LDAPSoft LDAP Browser, Microsoft Active Directory Explorer, Mozilla Thunderbird, Softerra LDAP Browser; Mac: Apache Directory, Apple Address Book, Apple Directory Access, Mozilla Thunderbird; Unix: Apache Directory, LDAPSoft LDAP Browser, Mozilla Thunderbird
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