Matching records across multiple conditions used to mean combining columns with ampersands or building complex INDEX and MATCH array formulas. XLOOKUP simplifies this process drastically when paired with Boolean multiplication logic inside the lookup array parameter.
The Syntax for Multi-Condition XLOOKUP
Instead of searching for a single text value, set your lookup value to 1 and construct the lookup array using stacked logic statements multiplied together. The expression `=XLOOKUP(1, (Region=F2)*(Department=G2), SalesAmount)` evaluates each condition as TRUE or FALSE, multiplying them into 1s and 0s.
Handling Missing Matches Gracefully
Standard lookup formulas return an unhelpful error code when criteria are not met. XLOOKUP includes a built-in parameter for missing values, allowing you to pass "Not Found" as the fourth argument without wrapping the entire statement in IFERROR.
Optimizing Performance on Large Datasets
While array calculations are fast, evaluate whole column references carefully in massive workbooks. Referencing explicit ranges like A2:A50000 rather than full columns keeps calculation times under a few milliseconds.