"odp": ["application/vnd.oasis.opendocument.presentation"],
"ods": ["application/vnd.oasis.opendocument.spreadsheet"],
"odt": ["application/vnd.oasis.opendocument.text"],
+ "ott": ["application/vnd.oasis.opendocument.text-template"],
+ "ots": ["application/vnd.oasis.opendocument.spreadsheet-template"],
+ "otp": ["application/vnd.oasis.opendocument.presentation-template"],
+ "otg": ["application/vnd.oasis.opendocument.graphics-template"],
"oga": ["audio/ogg"],
"ogg": ["audio/ogg"],
"ogv": ["video/ogg"],