Did your computer fail to open an O file? We explain what they are used for and recommend software that we know can open or otherwise handle your .O files.
What is an O file?
The .o file extension is most commonly used for compiled object files. These files are created by C compiler applications. They are usually created during the program development process and are used in place of the common program file. These files are used for a variety of platform programs including Unix and Free Pascal.
The .o file extension is also used for Atari Jaguar object module pre-linked compiled code files and Atari Jaguar 68000/mixed object module files.
Suggest another file format using extension O
While we know of one file format using the .O file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .O file.
Various O file openers, viewers, etc.
These apps are known to open certain types of O files. Remember, different programs may use O files for different purposes, so you may need to try out a few of them to be able to open your specific file.