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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
OLA - Extension Details
Date Added: January 01, 1970
File Extension:  .OLA
Description 1: The .OLA file extension is tied with an online access filetype. It is an "Online Access digital magazine format used to save magazine articles in the format they are displayed in the printed version. OLA files feature the same images, layout, text and so forth. The OLA format was utilized back in the mid90s. However, newer file formats like the Zinio (or .ZNO) have since taken its place.
File Type:   Page Layout file
Mode: Binary
Program(s) to Open:  Windows: OLA Viewer or Binder
Common:
Extension: