apg
aph
api
apin
apj
apk
apl
aplc
aplg
aplibrary
apln
aplp
aplt
apm
apm3
apn
apng
apnx
apo
app
appc
appd
appdownload
appe
appl
applescript
applet
application
applocalize
appm
appref-ms
appt
appup
appx
appxsym
appxupload
apr
apref-ms
aprj
aps
apt
apu
apu_
apup
apv
apw
apx
apxl
apz
aq
filename extensions