To look up specific data in Excel you can use either the MATCH or INDEX function.

1. In your Excel sheet, identify the range in which you wish to search for the desired data.
2. Within that identified range, identify the specific value you would like to return.
3. Use either the MATCH or INDEX function to return the precise row or column value.
4. The returned value is then used to return the specific data from the particular row or column.