Hi and welcome to the forum!
The Word perfect filters were removed because of licensing issues. See this discussion Problem opening WPD files in OpenOffice 3.4
for a solution.
Please add '[Solved]' at the beginning of your first post
title (edit button
) if your issue has been fixed.
AOO 4.1.3 on Xubuntu 17.04, (Zesty Zapus) and on Windows 7 (with winPenPack port).