From Thegrideon Software:
WordPerfect Password by Thegrideon Software is advanced password recovery tool for WordPerfect (.wpd, .wp) documents.
WordPerfect Password recovers passwords regardless of length and complexity.
All protection methods are supported: Ver 5.x, Origanal ver 6.0(a), Enhanced from 6.x to X7.
All versions of WordPerfect are supported (including Office X7).
Unicode passwords are fully supported.