The following formula easily tranforms a list of data from Upper to Lower case. 

  1. Start with a list of data.
    image1 
  2. Next, place your curser in Cell C1 and enter the following functions as shown. =PROPER()
     image2
  3. Enter the cell A1 between the parenthesis. =PROPER(A1)
    image3 
  4. Now drag the formula down to convert the remaining names to lower case. Simple huh!
     image4