New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 221st installment in their series of digital spreadsheet magic tricks, you'll learn how to use the LEN function to count charters including spaces. Then see how to use the LEN, SUBSTITUTE, and TRIM function to count characters but not unwanted spaces.