.O File Overview

File Extension:	O
File Type Description:	Compiled Object File
File Type Developer:	Microsoft Corporation
Primary Associated Software:	Microsoft Visual Studio
Primary Software Developer:	Microsoft Corporation

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Home File Types Developer Files O

What is File Extension O?

The O file extension is a Compiled Object File file developed originally by Microsoft Corporation for Microsoft Visual Studio. Commonly, Compiled Object File files are found on user computers from China, and on PCs running the Windows 10 operating system. In most cases, these users are surfing the internet using the Google Chrome browser.

Associated Developers and Software

	GNU Compiler Collection (GCC) by GNU Project
	Microsoft Visual Studio by Microsoft Corporation

Top O User Languages

Top O File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	Linux

Other File Types Related to O Files

Extension	File Type Developer	File Category	File Type Description
.ZVR	SAFA Inc.	Audio Files	SAFA Media Audio File
.OAB	Microsoft Corporation	Data Files	Offline Address Book
.GNX	Microsoft Corporation	Data Files	Microsoft PowerPoint Data
.LOCK	Mozilla	Uncommon Files	Lock File
.CRL	Various Developers	Web Files	Certificate Revocation List File
.MOV	Apple	Video Files	Apple QuickTime Movie
.BUT	ACD Systems	Uncommon Files	Canvas Web Button (CD Audio Track)
.ISMV	Microsoft Corporation	Video Files	Smooth Streaming MPEG-4 Multimedia Fragment
.EMO	Microsoft Corporation	Graphic Files	Emoticon Data
.WX	Open Source	Backup Files	Wanam Xposed Backup File