The SUMIF Function in Excel There are also more complicated functions in Excel that can sum or count values when certain criteria are met.

SUMIF and SUMIFS function is used to add data or seperate data in a table or column. We dicuss the difference and how to use them.

SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.

There are two ways to calculate a conditional average in Excel, both involve some logic and some special functions.