O file extension - Object format
What is o file? How to open o files?
File type specification:
File extension o is traditionally used for Object file format. These files contain object code and any other related data typically produced by a compiler or assembler. Can also be referred to as Object code or Object module.
Many different object file formats are used, because originally, each computer type had its own unique format, but the file extension and purpose of these files was always the same.
Formats that use o file extension include a.out, COFF, ELF, PE, Mach-O, SOM, Hunk, MZ, ECOFF, XCOFF, NE and LX. These are found mainly used in Linux and Unix-like environment, gaming consoles and even some mobile phones.
Shared libraries (so files) are created from object files.
Updated: September 9, 2024
The default software associated to open o file:
Company or developer:
Microsoft Corporation
Microsoft Visual Studio is an integrated development environment (IDE) used to create applications for Microsoft Windows as well as dynamic websites and web applications. Visual Studio is available for Windows and Mac.
List of software applications associated to the .o 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 o file, edit o file, convert o file, view o file, play o 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 o files.
Software that open o file - Object format
Programs supporting the exension o on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open o file action.