Learn AutoCAD for free using this step-by-step AutoCAD tutorial series containing nearly 40 videos with lesson files https://thesourcecad.com/autocad-tutorials/ In this video, I will show some of the easy and non-destructive methods of repairing AutoCAD drawings using simple commands like AUDIT, RECOVER and PURGE. DGN Purge hotfix: https://goo.gl/i8lsvr 0:00 Introduction 0:27 AUDIT 1:56 RECOVER 2:45 BACKUP 4:10 PURGE 5:19 WBLOCK 6:18 XREF