Rename a file in Excel 2007

To rename a file (workbook), open Microsoft Excel and do not open the workbook that you need to rename. If it is opened then close that workbook and perform the following steps:
1. Click the Microsoft Office Button and click Open.
2. In the Open dialog box, locate the file that you need to rename.
3. Right click the file and click Rename.
4. Type a name for the workbook and press the ENTER key.
5. Press Esc key (or) click the Cancel button to close the Open dialog box.