You can use the following keyboard shortcuts for performing general actions in MotionBuilder.
| Action | Keyboard Shortcut | 
|---|---|
| Undo last action | Z | 
| Redo last action | Ctrl-Z | 
| Cut | Ctrl-X | 
| Copy | Ctrl-C | 
| Paste | Ctrl-V | 
| Paste special | Ctrl-B | 
| Delete selection | Delete | 
| Global accept | Enter | 
| Global cancel | Escape | 
| Save scene | Ctrl-S | 
| Pan window | Alt-middle-drag | 
| Zoom in/out | Alt-right-drag | 
| Zoom rectangular | Z-drag | 
| Select a range of assets in the navigator | Shift-click | 
| Drag and drop asset | X-select and drag |