You may encounter third-party "Portable DWG TrueView" builds on community forums or file-sharing sites. Use extreme caution with these: System requirements for Autodesk DWG TrueView 2021
Enables CAD file management on mobile devices, bypassing the need for a desktop installation of TrueView. Unofficial Portability Methods dwg trueview portable
Unlike AutoCAD, DWG TrueView (portable or not) : You may encounter third-party "Portable DWG TrueView" builds
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