How to open OS files

Did your computer fail to open an OS file? We explain what OS files are and recommend software that we know can open or convert your 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.

OS file openers, viewers, etc.

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.

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We have not verified any programs that we know for certain can work with OS-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with OS-files. If you know one, please use the Suggest link below and tell us about it!