There are a variety of keyboard shortcuts that can be used with Stella. Most of these follow the standards for applications (e.g. Ctrl+C for copy and Ctrl+V for paste).
| Context | Action | Windows | Macintosh |
| All | Close Model | Ctrl+W | ⌘+W |
| Copy Selection | Ctrl+C | ⌘+C | |
| Copy Selected Elements (not adding connectors) | Shift+Ctrl+C | Shift+⌘+C | |
| Cut Selection | Ctrl+X | ⌘+X | |
| Edit Mode | Ctrl+E | ⌘+E | |
| Exit Software | Ctrl+Q or Alt-F4 | ⌘+Q | |
| Explore/Experiment Mode | Shift+Ctrl+E | Shift+⌘+E | |
| Help (open documentation) | F1 | F1 | |
| Open Model | Ctrl+O | ⌘+O | |
| Paste | Ctrl+V | ⌘+V | |
| New Model | Ctrl+N | ⌘+N | |
| Redo Last Undo | Ctrl+Y | ⌘+Y | |
| Restore All Inputs | Shift+Ctrl+I | Shift+⌘+I | |
| Restore All Outputs | Shift+Ctrl+O | Shift+⌘+O | |
| Restore All Devices (input and outputs) | Shift+Ctrl+R | Shift+⌘+R | |
| Run Model | Ctrl+R | ⌘+R | |
| Save Model | Ctrl+S | ⌘+S | |
| Save Model As | Shift+Ctrl+S | Shift+⌘+S | |
| Select All | Ctrl+A | ⌘+A | |
| Undo Last Change | Ctrl+Z | ⌘+Z | |
| Zoom In | Ctrl++ | ⌘++ | |
| Zoom Out | Ctrl+- | ⌘+- | |
| Model | Select Variable (don't edit name) | Shift+Ctrl+Click | Shift+⌘+Click |
| Find (opens the Find) | Ctrl+F | ⌘+F | |
| Find Next (for ghosts) | Ctrl+G | ⌘+G | |
| Interface Window | Ctrl+I | ⌘+I | |
| Navigate to the Home Module | Ctrl+↑ | ⌘+↑ | |
| Navigate up one module | Ctrl+C | ⌘+C | |
| Paste | Ctrl+V | ⌘+V | |
| Print Current Model or Page | Ctrl+P | ⌘+P | |
| Results Panel | Ctrl+D | ⌘+D | |
| Run Specs | Alt+Ctrl+R | Alt+⌘+R | |
| Select Stock Tool | Ctrl+1 | ⌘+1 | |
| Select Flow Tool | Ctrl+2 | ⌘+2 | |
| Select Converter Tool (Var tool on CLD) | Ctrl+3 | ⌘+3 | |
| Select Connector Tool | Ctrl+4 | ⌘+4 | |
| Select Module Tool | Ctrl+5 | ⌘+5 | |
| Select Ghost Tool | Ctrl+6 | ⌘+6 | |
| Unit Editor | Ctrl+U | ⌘+U | |
| Zoom In | Ctrl++ | ⌘++ | |
| Zoom Out | Ctrl+- | ⌘+- | |
| Interface | Edit Mode (from presentation mode) | Esc | Esc |
| Open Model Window | Ctrl+M | ⌘+M | |
| Presentation Mode (full screen) | F5 | F5 | |
| Presentation Mode (windowed) | Shift+F5 | Shift+F5 |
Alt+Click/Drag - Repeats the last build action on the model or the interface.
Shift+Drag - When resizing maintains the aspect ratio. When dragging moves horizontally or vertically only. When adding a flow or connector drops an anchor point. When not on any object it will scroll the window.
Ctrl+Shift+Click (⌘+Shift+Click) opens the results panel on the variable clicked on when in Explore mode (model only).
Ctrl+Drag (⌘+Drag) Move a variable onto a graph or a table or into a panel entry such as a summing converter.