Share Email Facebook Twitter LinkedIn To Sum Numerical Data in Identical Property Rows Click Insert tab Linking & Extraction panel Extract Data. Find On the Refine Data page, click Combine Identical Rows. Right-click the column label and choose Combine Record Mode Sum Values. The sum of the numerical data is displayed. Related Concepts Organize and Refine the Extracted Data Related Tasks To Insert a Footer Row in a Data Extraction Table Related Reference Commands for Data Extraction