Undo Changes
Clipboard Operations
The Edit menu is used to cut, copy, and paste with the clipboard and to undo changes you have made to your model file.

Figure 4.9: The Edit Menu
| Undo | - | Undo the last change made to model file |
| Cut | - | Move the selected text to the clipboard |
| Copy | - | Copy the selected text to the clipboard |
| Paste | - | Insert text from the clipboard |
| Delete | - | Delete the selected text in the model file |
| Select All | - | Select all the text in the model file |