In Excel 2007, you can display the full file path and name of the active file by customizing the Quick Access Toolbar. Here are the steps:

1. Click on the Office button in the top left corner of the Excel window.
2. Click on Excel Options at the bottom of the menu.
3. Click on Customize in the left-hand pane.
4. In the Choose commands from drop-down menu, select All Commands.
5. Scroll down and select Document Location from the list of commands.
6. Click on the Add button to add the command to the Quick Access Toolbar.
7. Click OK to close the Excel Options window.

Now, the full file path and name of the active file will be displayed in the Quick Access Toolbar. If you want to move the toolbar to a different location, you can right-click on it and select Show Quick Access Toolbar Below/ Above the Ribbon.