plugin
pages
application/vnd.apple.pages
numbers
application/vnd.apple.numbers
key
application/vnd.apple.keynote
wpd
application/wordperfect
wp
application/wordperfect
odf
application/vnd.oasis.opendocument.formula
odb
application/vnd.oasis.opendocument.database
odc
application/vnd.oasis.opendocument.chart
odg
application/vnd.oasis.opendocument.graphics