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 619th installment in their series of digital spreadsheet magic tricks, you'll see how spaces in cells cause trouble in formulas and learn how to use the REPLACE, COUNTIF, CLEAN & TRIM functions to solve space-related formula problems.