File Extensions That Start with "O"

Explore all file types starting with the letter O. Learn about their meanings and the programs that use them.

Compiled Object File

System Driver File

3D Graphics, CAD-CAM-CAE

Game Definition Data

Executable File

Game Audio Data

Archive and Compressed

Email related data

Android Optimized Application File

Object Cut or Paste File

Incomplete Download File

Oberon-2 Source Code File

←
1
2
…
→

🗂️ Categories

🔤 Browse File Extensions by Letter

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 #