Objects can be placed using a dedicated tool: Object, Lamp, Door, Window, , Skylight, Corner Window, Wall End, Curtain Wall Accessory or Junction, Marker, Label.
Objects are also placed via Add-ons, such as RoofMaker and TrussMaker elements.
See Settings of Library Part Elements.
When you open a project, the program automatically runs a check to ensure that all needed libraries and library parts are up to date and available. If there are any issues, the Action Center or Library Manager provides information.
See Troubleshooting Library Issues.
You will find most of the objects you need in your project library or library packs. The objects are organized into folders and sub-folders to make it easy to locate what you need.
See also Set default language and localized object settings (New project workflow).
To open an object file:
File > Libraries and Objects > Open Object
To create a new object:
File > Libraries and Objects > New Object
You can also create objects graphically by drawing a set of elements, then saving them as an Object file.