Thousands face similar problems daily. This article explains how to open SWJ files. It also lists programs supporting them. SWJ files carry SolidWorks Journal data. Originally developed by Dassault Systèmes for SOLIDWORKS. Analysis shows SWJ files commonly found on Windows 10. Most users in China running Google Chrome.
To open an SWJ file, update the application you normally use. Only the latest version supports the current SWJ format. Check the SWJ file for viruses with antivirus software. SWJ files store AutoCAD session logs. Providing data to analyze software use and errors. AutoCAD opens SWJ files directly. More at the official AutoCAD website.