› Forums › Pentaho Reports › How to manage PRD file version in pentaho reports? This topic contains 0 replies, has 1 voice, and was last updated by debbie 3 months, 2 weeks ago. Viewing 1 post (of 1 total) Author Posts 2nd April 2019 at 12:45 pm #14937 debbieMember A prpt file is just a zip file. So look for the meta.xml within this file and change the version and the Engine to an older version. Save it and then try to open the report in the older version of the designer. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.