How to Do VLOOKUP in Excel – Step-by-Step Guide + AI Formula Generator | ComTools

Learn how to do VLOOKUP in Excel: syntax, exact vs approximate match, fix #N/A errors, and alternatives like XLOOKUP. Free AI formula generator included.

What VLOOKUP does

VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup]) searches the first column of a range and returns a value from another column in the same row. Use FALSE (or 0) for exact match—most common in business tables.

Step-by-step example

1) Put the lookup key in D2. 2) Select your table (e.g. $A$2:$E$100) with the key in column A. 3) Enter =VLOOKUP(D2,$A$2:$E$100,3,FALSE) to return column C (3rd column of the range). 4) Fill down. If you get #N/A, check trailing spaces or use TRIM.

Generate with AI

Describe your table in plain language on /excel-formula-ai—e.g. "Look up product ID in column A, return price from column D"—and get a paste-ready formula with explanation.

FAQ

QWhy does VLOOKUP return #N/A?

The key was not found, or text/number format mismatch. Use TRIM, confirm exact match (FALSE), or check leading zeros.

QCan VLOOKUP look left?

No—VLOOKUP only returns columns to the right of the lookup column. Use INDEX+MATCH or XLOOKUP instead.

QIs there a free VLOOKUP helper?

Yes—ComTools Excel Formula AI generates and explains VLOOKUP from plain text. See also /excel-functions/vlookup for Sheets compatibility.