The Catalog > New > Folder command, also available on the right-click pop-up menu, creates a new folder in the tree view. You can create new folders under the following root nodes in the tree view: Cableways, Equipment, Equipment Components, and Structure.
There are places in the tree view where you should not create new folders, for example under the Select Lists folder and in certain Piping and Conduit folders. Nor can you create new folders under a parts node. In those places, the software automatically disables this command.
In previous versions, you could only create new folders by editing the Microsoft Excel workbooks and then bulkloading the change. You can still use the bulkload method to create new folders if you want.