Home : File Types : O File

.O File Extension

File TypeCompiled Object File

4.3 (29 Votes)
CategoryDeveloper Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

What is an O file?

Object file produced by a C compiler; often created instead of a program file during the development process.

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Programs that open O files
Updated 6/12/2015

About O Files

Our goal is to help you understand what a file with a *.o suffix is and how to open it.

The Compiled Object file type, file format description, and Mac and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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