When a material is selected in the library list (left pane), this right pane displays the tabs (assets) associated with this material. Material Browser toolbar: Provides controls to manage libraries, create new or duplicate existing materials, or open and close the Asset Browser. Library materials list: Displays materials in the library or category (class) selected in the library list. Library list: Displays open libraries and categories (classes) within libraries. Use the library settings menu options to filter the display of materials presented in the library materials list. You may need to hide the display of the library tree to provide more space for viewing library materials. Click the Show/Hide library panel button to show or hide the display of the library tree. Show/Hide Library button and Library settings menu : These 2 buttons let you modify how libraries, and their materials, are displayed in the Material Browser window. Right-click a material in the list to access a menu of common tasks such as Rename, Duplicate, and Add to a Library. Project materials list: Displays materials in the current project, whether they are applied to objects or not. Use the project materials settings menu options to filter the display of materials presented in the project materials list. You may need to hide the library panel to provide more space for viewing project materials.

Click the Show/Hide library panel button to show or hide the display of the library panel below. Show/Hide library panel button and project materials settings menu : These 2 buttons let you modify the view of project materials and the library panel in the Material Browser window.

Revit 2018 library