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OS File

What are OS files and how to open them

Are you having problems opening an OS file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your OS files.

What is an OS file?

Developed by the makers of ObjectScript, the .os file extension can be referred to files that are distinguished as developer files that contain executable script with a list of commands and functions written in an ObjectScript programming language.

ObjectScript is a general purpose object-oriented programming language which is a functional superset of the ANSI-standard MUMPS programming language. It can run ANSI MUMPS routines with no change. ObjectScript has a number of implemented support for object-oriented programming, macro preprocessing language, embedded SQL for ANSI-standard SQL access to M's built-in database, procedure and control blocks using C-like brace syntax, procedure-scoped variables, and relaxed whitespace syntax limitations.

OS files can be converted into a standalone ObjectScript application by bundling the files into a .JAR file. ObjectDevel is one of the few specialized programs that can open and run .os files. It has a version for windows as well as for Mac.

How to open OS files

Important: Different programs may use files with the OS file extension for different purposes, so unless you are sure which format your OS file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested three different OS openers which you will find listed below.

Last updated: October 15, 2012

Various apps that use files with this extension

These apps are known to open certain types of OS files. Remember, different programs may use OS files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Reference ManagerReference ManagerUser submitted
WinEdtWinEdtUser submitted
OSByPetzlOSByPetzlUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about OS file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.