Split, combine, extract, and format strings.
range: The cells to test against your condition (text, numbers, dates, or logical values).
criteria: The condition that decides which rows to include (for example: “East”, “>=100”, “>=”&DATE(2026,2,1)).
[sum_range] (optional): The cells to add. If omitted, SUMIF sums the cells in range when they meet the criteria.
Hand-picked function guides that work in both Excel and Google Sheets.