Question: how to open zpr file?
Answer: Open. The File Open button will open an previously saved Project (ZPR format). ...  SaveAs. The Save As button will save everything that is in the document into a Project. ...  Revert. The Revert button restores the current Project to its condition when it was last saved. ...  UndoHistory. ...  Lightbox>Projects. ...  Project Notes. ...  Edit. ...  Open.