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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
BLB - Extension Details
Date Added: January 01, 1970
File Extension:  .BLB
Description 1: .BLB file extension is linked with Blob Data File. This is the collection of data stored as a "BLOB or Binary Large Object. It is used by different database programs in storing large amount of data. It is often used as data type for images or multimedia databases. BLOB files are also used when transferring large amount of data between databases; it is referred to a BLOBBING.
Description 2: .BLB file extension is linked with ACT! Database File. This is the file extension for the database file utilized by ACT! a wellknown contact and customer manager designed to help users organize their contact information, enhance their communication for improved productivity and manage daily tasks. It integrates everyday usertools such as Microsoft Outlook, Word and Excel. .BLB file extension and ACT! are owned and developed by Best Software CRM Division.
File Type:   Database File
Mode: Binary
Program(s) to Open:  Windows: ACT!
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