Locking is a handy function in Excel that allows users to lock specific or all cells in a worksheet to prevent any intentional or unintentional editing of them. You can easily lock cells in a sheet by ...
Modern Excel functions like IFS, SWITCH, XLOOKUP, SUMIFS, and LET replace most nested IF use cases.
Hidden reference shifts, invisible spaces, legacy function fragilities, and blanket error handling can quietly distort results without warning.