Batch Export

 B3d Batch Export exports all Max files in a folder to b3d files.

Batch Export Dialog

 

Source Path - Select the folder containing the max files to export. The dropdown list keeps a history of folders.

Destination Path - Select the destination folder for the exported b3d files. Leave this blank to export to the Source Path.

Only Export Newer Files - Check this to only export Max files whose dates are newer than corresponding b3d files.