Using Auto Complete to Fill Data in a Worksheet (Excel All Versions)
If the first few characters you type in a cell match an existing entry in that column, Excel automatically enters the remaining characters for you. Excel will only complete entries that contain text or text and numbers. This function will not work for entries that only contain numbers. You can turn Auto Complete OFF if makes entering data difficult. This will work in Excel 2010, Excel 2007 and Excel 2003.