Required Upgrade Utility Software The SOLIDWORKS PDM 2021 file version upgrade tool can be used with SOLIDWORKS 2021, 2020, and 2019. Parent topicUpgrading SOLIDWORKS Files System Requirements Installing the File Version Upgrade Utility Preparing to Upgrade Selecting Version Settings Performing a Trial File Upgrade Running the Upgrade Utility Creating and Using Work Instruction Files Completing an Interrupted Upgrade After Upgrading Managing Backup Files