If the column is already in alphabetical or numerical order, you don't need the numbers column. Select the data and choose "Z-A" from the "Order" drop-down menu.

Use Excel's "Freeze Panes" functionality to lock rows or columns in place. Use Excel sort features to organize data in alphabetical or numerical order.

You can add a column in Excel by right-clicking or using the “Insert” option. These features are helpful for adding new data to a spreadsheet.