.O File Extension

.O File Extension

File Type

Compiled Object File

Developer N/A
Popularity
3.8  |  55 Votes
Category Developer Files
Format N/A

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 June 12, 2015

Verified by FileInfo.com

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