Unlike the stand alone Claris Emailer-Lite Installer 1.1v3, the Installer inside IAFT in Mac OS 8 omits the "File Transfer Tools" file.
You will need to manually install Aladdin's DropStuff w/EE 4.0. The Installer for this software can be found following this path on your Mac OS 8 System:
Internet folder
Internet Utilities folder
Aladdin folder
DropStuff w/EE 4.0 Installer