Find a value with INDEX and MATCH
Combine INDEX and MATCH to look up a value without a fixed column number.
INDEX · MATCH
Consultants build models fast, on someone else's messy data, and then have to defend the numbers in front of the client.
The data arrives in whatever shape the client's system produced. The work is structuring it quickly, building a model with visible drivers, and sanity-checking output before it reaches a slide — because a wrong number in front of a client is expensive.
Burying assumptions inside formulas. A growth rate typed into the middle of a calculation cannot be changed in a meeting, which is exactly when someone asks what happens at eight percent instead of five.
Structuring a messy export quickly, building a model with clearly separated inputs, and explaining how you check your own work.
5 exercises using the situations above, ordered from most approachable to hardest.
Combine INDEX and MATCH to look up a value without a fixed column number.
INDEX · MATCH
Clean inconsistent spacing and casing so values can be matched.
Return a readable message instead of #N/A when a lookup finds nothing.
XLOOKUP
Produce a summary line combining count, total and average for one region.
COUNTIF · SUMIF
Use COUNTIF to reconcile two lists and spot what is absent.
COUNTIF · IF