Load Families | Revit 2021 | Autodesk Knowledge Network
knowledge.autodesk.com › support › revitIn the Load Family dialog, double-click the category of the family that you want to load. Preview any of the families (RFA) in the category: To preview a single family, select it from the list. At the top right of the dialog, under Preview, a thumbnail image of the family displays. To display a thumbnail image in the list for all families in the category, at the top right corner of the dialog, click Views Thumbnails. Select the family that you want to load, and click Open.
System Families | Revit 2021 | Autodesk Knowledge Network
knowledge.autodesk.com › support › revitSystem families also include project and system settings, which affect the project environment and include types for elements such as levels, grids, sheets, and viewports. System families are predefined in Revit and saved in templates and projects, not loaded into templates and projects from external files. You cannot create, copy, modify, or delete system families, but you can duplicate (copy) and modify the types within system families to create your own custom system family types.
Load System Family Types - Autodesk
help.autodesk.com › cloudhelp › 2015Because system families are predefined in Revit, you can only load system family types in projects or templates. To load system family types, you can: copy and paste one or more selected types from one project or template to another ; transfer all system family types of a selected system family or families from one project to another