Learn AutoCAD for free using this step-by-step AutoCAD tutorial series containing nearly 40 videos with lesson files https://sourcecad.com/courses/autocad-essentials-course/

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