How to open and organize materials libraries
Materials panel
Materials Browser.
. When you remove a user library from the Materials Browser, the library file remains on the hard disk. You must manually delete the library file to reclaim hard disk space.
You can remove a material from an unlocked user library using one of the following methods. Locked materials cannot be removed.
Materials panel
Materials Browser.
The material library panel lists material libraries that contain matches for the search phrase you entered.