There are 9 other file types using
the PRG file extension!

empty icon.prg - Program [common]

prg icon.prg - WAVmaker program

empty icon.prg - Commodore executable programs in BASIC

empty icon.prg - RPG Toolkit program script

empty icon.prg - SHARP MZ-series emulator data

empty icon.prg - ZX Spectrum SpecEm snapshot file

empty icon.prg - Program source data

empty icon.prg - RAPID program

empty icon.prg - Akai MESA audio

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PRG file extension - Atari ST program

What is prg file? How to open prg files?

File type specification:

Program executable file type icon Program executable file type

The prg file extension is associated with the TOS (Tramiel Operating System) an operating system installed in the ATARI ST family of 16/32-bit computers.

The prg file stores program executable compatible with ATARI TOS.

This prg file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: August 8, 2018

The default software associated to open prg file:

TOS picture or screenshot

Atari, Inc. logoTOS  Other operating systems or devices software

Company or developer:
Atari, Inc.

Operating system of the Atari ST range of computers. This range includes the 520ST and 1040ST, their STF/M/FM and STE variants and the Mega ST/STE.

Atari ST picture or screenshot

Atari, Inc. logoAtari ST  Other operating systems or devices software

Company or developer:
Atari, Inc.

Atari ST was a 16/32-bit personal computer released in 1985 with pre-installed TOS operating system.

Help how to open:

Use compatible tools to work with *.prg files.

How to convert:

As far as we know, this .prg file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .prg file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open prg file, edit prg file, convert prg file, view prg file, play prg file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting prg files.

Software that open prg file - Atari ST program

Programs supporting the exension prg on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open prg file action.

Microsoft Windows:

Other operating systems or devices:

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