Microsoft Excel comes with a lot of built-in functionality that doesn't restrict you to comparing data in two columns using only one method.

Learn how to use the VLOOKUP formula to compare a maximum of two columns to have common values returned or to locate missing data.

Microsoft Excel worksheets can become complicated, especially when comparing columns for validation. Manually cross-checking large datasets on your personal computer may cause you to overlook ...

Use a built-in rule or a formula rule to compare two lists of Excel values.