Right-click the project root and select Save from the shortcut menu.
Click the Save All (this Project) button on the Project toolbar. You also can select File»Save All (this Project) or right-click the project root and select Save All (this Project) from the shortcut menu.
Use the Save method to save a project programmatically.
You must save new, unsaved files in a project before you can save the project.
Note Make a backup copy of a project when you prepare to make major revisions to the project or before you upgrade to a new version of LabVIEW.