3Com Professional Handbook To look up an address:

Chapter 1: Mail page 13
Note: The Address List displays entries sorted by Company Name
or by Last Name, depending on the sort option you select for your
Address Book. Refer to Chapter 4: Address Book in your PalmPilot
Handbook for more information about sorting the Address List.
Tip: You can use the command stroke /L to execute a Lookup
without opening the menus. See the PalmPilot Handbook for more
information about the command stroke.
To look up an address:
1. From New Message screen, enter a few letters of the address
you want to look up in either the To or CC field.
2. Tap Lookup from the Options menu. If the letters you entered
identify a unique listing from your Address Book, your
PalmPilot will complete the address for you. If not, the
Lookup dialog appears, as shown in the following diagram:
Tap here to enter
address in field
Tap to select
Note: You can also open the Look Up dialog by tapping the
Lookup button from the To or CC expanded field view
screens, as shown in the following diagram:
Tap here