
If you have this tool installed, it will a File>>Locate in Project option to the menu. When you select this menu option from the menu of a VI's Front Panel or Block Diagram, the VI will be highlighted in the Project Explorer window. For example, here is a typical scenario:
You create a new VI. Maybe you make a copy of a class method VI. However, you want to move this VI to a different sub-folder of the class. The first thing that you need to do, is locate the new VI in the Project Explorer window, so that you can move it. And, that's where Locate File in Project comes in handy.
The more you use the LabVIEW Project Explorer, the more you'll realize, too, that this is one tool that you can't live without
If you want to give this VI a try, you can obtain it using VI Package Manager (VIPM). Simply select the Locate File in Project (ogedit_locate_file_in_project) package from within VIPM. Once installed, this will add a new option File>>Locate in Project item to LabVIEW's menu. (See here for a quick guide on how to install OpenG on VIPM.)