Edit a custom list in Excel 2007

To edit a custom list, perform the following steps:
1. Open Microsoft Excel.
2. Click the Microsoft Office Button and click Excel Options.
3. From the Excel Options dialog box, click Popular from the left pane.
4. From the right pane, under Top options for working with Excel, click the Edit Custom Lists... button to open Custom Lists dialog box.

5. Click the list that you need to edit from the Custom lists: box (In our case, we will edit the list that has the entries Access, Excel, PowerPoint, and Word).
The list entries will appear in the List entries: box.

6. Change the entry Word to Word 2007. Click Add.

7. Click OK twice.