Sorted alphabetically: O

by: Administrator

#	File extension	The full name of the file

1	OBB file extension	Android Opaque Binary Blob File
2	OBJ file extension	Wavefront 3D Object File
3	ODM file extension	OverDrive Media File
4	ODS file extension	OpenDocument Spreadsheet
5	ODT file extension	OpenDocument Text Document
6	OFX file extension	Open Financial Exchange File
7	OGG file extension	Ogg Vorbis Audio File
8	OGV file extension	Ogg Video File
9	OIF file extension	QuickBase Web-sharable Database Interchange
10	OPF file extension	Open Packaging Format File
11	OPUS file extension	Opus Audio File
12	OTF file extension	OpenType Font
13	OVA file extension	Open Virtual Appliance
14	OXPS file extension	OpenXPS File