can't export General MIDI file

[Elwood54]

I have a dual G5 with PTLE 7.3.1 Mbox 2 and want to export an edited MIDI file as a General MIDI file. I don't have a MIDI instrument, but need to create General MIDI files to email to fellow band members to play on QuickTime Player, etc., to comment on or practice various arrangements of music we perform. I've tried importing the "General MIDI" patch name file as described on page 74 of the Getting Started manual, but no file imports and the displayed patch name file remains at "None." Before I ask what I'm doing wrong, can PTLE even export a simple General MIDI file? Importing, editing and exporting General MIDI files is the only reason I bought Pro Tools instead of using GarageBand.