O File Format
Object file (Unix)
O is a file extension for an object file used with Unix and Linux systems. O stands for object. O files contain C or C++ source code to be compiled into an application. O files can be opened by GCC (GNU C and C++ Compiler) on Unix and Linux systems, and Microsoft Visual Studio on Windows systems. The O file extension is also used for Atari object files and GCC object files. MIME type: application/x-object-file; application/x-object Learn more about .O files: See our C, C++ and C# Cheat Sheets. Visit the C++ web page. Read the C FAQ at ITKnowledgeExchange.com.
Our top 20 file extensions:
A
ǀ
AU
ǀ
BMP
ǀ
BR0
ǀ
DMP
ǀ
JPG
ǀ
LDT
ǀ
LRF
ǀ
MDX
ǀ
MOF
ǀ
MSI
ǀ
MTS
ǀ
NRL
ǀ
PPT
ǀ
RPT
ǀ
SHS
ǀ
TIF
ǀ
VCV
ǀ
XLS
ǀ
SO
ǀ
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
#
|
|
|
| Last updated on:
Aug 23, 2010 |
|
Sign up for the 
Follow us on 
