This menu manages individual materials, maps, or controllers.
Opens a dialog that lets you rename the material.
For some groups, such as Materials and the Autodesk Material Library, this option does not appear.
Removes the material or map from the library or group.
For some groups, such as Materials and the Autodesk Material Library, this option is unavailable.
Displays a submenu that lists the other Material/Map Browser groups to which you can copy this material or map.
To appear on the submenu, the library must be open in the Material/Map Browser
The Temporary Library is saved with your 3ds Max scene, but it is not saved elsewhere unless you save it as a MAT file, under a different name.
When you choose New Material Library, the Browser opens a file dialog where you can give the new library a name. It saves the library as a MAT file and also opens it as a library group within the Browser.