In a standard US installation of AutoCAD Architecture 2021 toolset, you can find door tools in the following locations:
- Tool Palettes: Design Tool Palettes group
Design tab (standard door tool) - Tool Palettes: Design Tool Palettes group Doors tab
- Content Browser Stock Tool Catalog Architectural Object Tools (standard door tool)
- Content Browser Sample Palette Catalog Design Doors
- Content Browser Design Tool Catalog Doors and Windows Doors
Predefined door tools