Pre-computed Password Tables
Uses pre-computed rainbow tables that contain trillions of passwords.

Enables rapid auditing and recovery of even complex passwords.
For more information, see our FAQ “What is the Pre-computed Password Hash Table?”.
But:
* Pre-computed password tables are not offered with the "LC 5 Professional" edition.


Source: http://www.atstake.com/products/lc/f....html#features