If you have saved customized materials to the materials library file, you can import the materials into your catalog materials library or project-specific materials library.
To import materials from a library file:
Open the project you want to import materials into.
Access the materials library. How to
In the Materials dialog, select File > Transfer.
In the Open dialog, select the materials library (e.g. materials.mlb) that you want to import materials from, then click Open.
In the right pane, select the material to import, then click Import Item. Or, just click Import All to import the entire list.
Click OK.