Batch Save 3ds Max Files and Material Libraries to Previous Version

New script for saving 3ds Max files and Material Libraries* to the previous version in batch mode.
*Batch saving Material Libraries to the previous version requires 3ds Max 2023 Update 1
How to run:
1) Download
2) Drag&Drop in the viewport or select the main 3ds Max menu-item “Scripting” => “Run Script”