Open O file

The most common choise: Object format

How to open Object format .o files

o file icon Have you had trouble opening the o file on your computer? What are o files? We explain what they are and recommend software that we know will open them.

What is o file?

Files with o extension are mainly related to the object file format used by various programming languages and development environments.

Object format description

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.

Suggested software to open o file

Microsoft Visual Studio

IDE for creating programs, or websites and web applications

There are other O filename extensions with the same .o suffix

o - UFO: Enemy Unknown game data

Files with o file suffix are associated with the UFO: Enemy Unknown game data format.

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.