.BRUSHLIBRARY File Extension
What is a BRUSHLIBRARY file?
Brush library created and used by Corel Painter, a digital artwork application; stores a collection of brushes grouped into different categories depending on the brush type, such as the Chalk, Crayons, and Felt Pens categories.
Each brush contained within the brush library features a unique effect. You can choose which brush type you want to use to give your artwork a specific look, such as an oil painting or kids drawing using crayons.
To export a BRUSHLIBRARY file, select Brushes → Export → Brush Library..., choose the library from the drop down menu, and click "OK." Then, name the file, choose the save location, and click Save.
To import a BRUSHLIBRARY file, select Brushes → Import → Brush Library..., choose the library, and click Open.