How to Fix common Excel spreadsheet problems & errors

Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 25th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn how to interpret and resolve the nine most common Excel formula errors — namely, ####, #NAME?, #N/A, #REF!, #VALUE!, #NUM!, #DIV/0!, Circular Reference, and #NULL!.