Mike,
The translators should be in the Import-Export folder in the Add-Ons folder in Archicad.
If not there, reinstall them from your installation disc.
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"