Excel DSUM Function
Use:- Computes the conditional sum of the values in a specified column of a database table
- Syntax:
- DSUM( table , column , criteria )
- Examples:
- Cell B22 formula: DSUM( B2:G9 , "Jan" , B12:B13 )
Cell B23 formula: DSUM( B2:G9 , "Jan" , D12:D13 )
Cell B24 formula: DSUM( B2:G9 , "Jan" , F12:F15 )
Cell B25 formula: DSUM( B2:G9 , "Jan" , B17:C18 )
Cell B26 formula: DSUM( B2:G9 , "Jan" , E17:F19 ) 
- Note:
- Column can be (1) an integer between one and the number of columns in the table, (2) the
unique name of the desired column, or (3) a cell address containing the desired column
number or name. For example, the following are equivalent ways to process the Jan column:
DSUM( B2:G9 , 2 , B12:B13 )
DSUM( B2:G9 , "Jan" , B12:B13 )
DSUM( B2:G9 , D20 , B12:B13 ) - Dfunction Overview
- Related Functions:
- DAVERAGE, DCOUNT, DCOUNTA, DMIN, DMAX, DSTDEV, DSTDEVP, DVAR,
DVARP, DGET