From the Autodesk App Store:
Quickly Join / Unjoin / Switch / Cut / Uncut each Elements on Autodesk® Revit® selection.
Join all selected category elements in document.
Steps:
For Command [Join/Unjoin/Switch/Cut/Uncut]
- Select Revit elements then run the command you want.
- The program will base it on what commands the user chooses and process the elements.
For Command [Join All]
- You need to select what document and category you want to join.
- The program will try to join selected category elements.