You can use ISERROR to test whether a value or the results of a formula are an error. It will return TRUE if it detects an ...

VLOOKUP has been the go-to function for looking up data in Excel for years, but it comes with limitations. You can only ...

Patrick Holland has been a phone reviewer for CNET since 2016. He is a former theater director who occasionally makes short films. Patrick has an eye for photography and a passion for everything ...