Opening Documents Contents Improving Performance When Opening and Saving Files from a Previous Version You can improve save performance by clearing the Force referenced documents to save to current version system option in the External References tab. Open Modes from File Explorer or PDM Vault View When you open SOLIDWORKS documents from File Explorer in Windows® or the PDM Vault View, you can access the Open dialog box before the file opens. Simplified Open Options The Open and the Welcome dialog boxes have reorganized and renamed options. Parent topicSOLIDWORKS Fundamentals 3D Printing Application Programming Interface Changes to System Options and Document Properties Closing a Document When Saving a Copy Selection Sets Specifying the Up Axis for View Orientation