Palm P80505RGRS - Tungsten W Smartphone Handbook page 223

You can attach the following types of files:
vCard (.vcf)
vCal (.vcs)
Memo/Text (.txt)
PRC (.prc)
PDB (.pdb)
To attach a file to a message:
Press Command
1.
Alternately, press Function
Attachment.
Tap the Type pick list and select the file type.
2.
All files of the selected type appear in the Type box. For example, if you select
Appointments (vCal), tap Date Book to see a list of appointments from a
particular date that you can attach, or tap To Do to see To Do List tasks.
+ A.
+ Menu
Select type of file you want to
attach
Getting, sending, and managing e-mail
, tap Options, and then tap Add
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