RFA (Revit Family) files are a type of file used in Autodesk Revit, a building information modeling (BIM) software. RFA files contain 3D models, families, and other graphical elements that can be used in Revit projects. These files are specific to Revit and can't be directly opened or edited in other software applications.
This method gives you a clean, professional DWG file, whereas online converters often output "dumb" lines that are hard to edit. rfa to dwg online convert free