Opening an OS File

The OS file type is primarily associated with Android.

OSFile Extension OS
File extension: OS
File type:  application data

What is an OS file?

OS files mostly belong to Android by Open Handset Alliance. An OS file is a script containing source code written in ObjectScript language. You can create, edit, debug, and run an OS file using ObjectDevel integrated development environment. Such scripts can be compiled as standalone applications by packaging them into a single JAR executable. Another type of OS file is a static library object that SCons software development tool uses to build programs. OS is also the filename extension of an application data file (usually named profig.os) on Android devices.

How to open OS files

You need a suitable software like Android to open an OS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your OS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a OS file directly in the browser:. Just drag the file onto this browser window and drop it.

Online OS Text Viewer

Choose your .os file to view

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How to extract texts from OS files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

If you want to extract texts from OS file or capture a screenshot, you can use our free Online OS File Viewer:
  1. Just click the "Choose your .os file to view" button on this page.
  2. After your file is opened in browser,
  3. click "Save as..." in the menu.
  4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
  5. Your file will be converted and downloaded.

Programs that open and convert OS files:

  1. Android by Open Handset Alliance
    See the previous paragraphs to learn more about the main application. OS files are often referred to as Android developers because this type of file is primarily created or used by this software.
  2. Apple DOS (data) by Apple
    Apple DOS is a discontinued disk operating system for Apple II computers. Golden Orchard CD ROM for Apple DOS saves some data in an OS file. This file format is classified as Data.
  3. ObjectDevel (object script) by ObjectDevel Developer
    ObjectDevel is an integrated development environment for writing applications in ObjectScript. It uses an OS file to store a script. This file format is classified as Developer.
  4. SCons (static library object) by Scons Foundation
    SCons is a multilingual software build tool which serves as a substitute to Make. SCons uses a static library object saved in an OS file. This file format is classified as Developer.

OS format details:

Why is it important to know the file format? This is the only way to find out which program to use to open the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). If the file extension or signature does not match the file format, errors will occur when opening or editing the file. Knowledge is power - this also applies when dealing with unknown or faulty files. Our analysis of the OS files produces the following result:

The OS file extension is used very often and is mainly used by one program with a specific format. However, the following two file formats are common:

All other OS files (11%) have no consistent format. You can get all the details of your OS file by dragging it onto this page or by clicking the button "Choose your .os file to view" above.

Technical Data for OS File Extension

File classification:
Developer
Related files:

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: osfile
EXEFile: %ProgramFiles%\Reference Manager 11\RM11.exe


an os application data is a special file format by Open Handset Alliance and should only be edited and saved with the appropriate software.

How to solve problems with OS files

  • Associate the OS file extension with the correct application.
  • Update your software that should actually open application data files. Because only the current version supports the latest OS file format. Search, therefore, e.g. on the Open Handset Alliance manufacturer website after an available Android update.
  • To make sure that your OS file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .OS file online - secure, fast, and no downloads needed.
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OS file viewer OS file description