When you're migrating SharePoint lists from your development environment to your production environment you may need modify the GUIDs if lists refer to each other. This utility significantly speeds up the process. Simply change the SharePoint server url to point to the lists.asmx file and show the lists. As you select each list it will retrieve the GUID and display the full url of the list. You can click on the url and open the list in an IE window to confirm. Clicking the button to copy the GUID will clean it up, add the brackets and copy the GUID to the clipboard so you can paste wherever you need to. Enjoy. Click here to download the application.