File suffixes beginning with O:
We currently list those file suffixes and descriptions beginning with .O:
ob! obj obml obpack obv oc_ oca ocx odc odp ods odt odt# oem of7 off ogg ogm ogv okhy olb old om- omod omx one onetoc2 onurs opa opc opd opf opj opr01q3n opt opx ora ord orf org org) ori orig osd osf osi ost otm otp outline ovolog ovpn oxt oya04020