Rar — Lsg#64 P2

: Popular options include WinRAR (Windows), The Unarchiver (Mac), or 7-Zip (Open Source).

Dwg files automatically download as RAR format - Forums, Autodesk LSG#64 P2 rar

While "LSG" can refer to many things, this naming convention is most frequently seen in: : Popular options include WinRAR (Windows), The Unarchiver