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# excel – Sum values until next blank in a column (variable number between each blank), then repeat process for each set between blanks

Questions:

Essentially what I would like to do is sum up the values of some cells in a column (D) until the next blank in the column (D), while reporting the totals in columns (F) and (G) in line with the identifier in column (B). The blanks in column (D) line up with the identifiers in column (B). The attached image shows the example data that I am working with.

From the example data what I want to do is report the total emails from each individual email for sent (column D) and received (column E) for each salesperson (column B). I need this total to be generated in the highlighted cells in columns F and G in line with the Salesperson identifier in column B. In F2 put:

``````=IF(\$B2<>"",SUM(D2:D\$1040000)-SUM(F3:F\$1040000),"")
``````

Copy over one column and down the data set. The correct answer will not appear till you fill the column with the formula down the data set as it relies on the data beneath it. ``````=IF(D3<>"","",SUMPRODUCT(D4:D27*(ROW(D4:D27)<MATCH(TRUE, INDEX(ISBLANK(D4:D27), 0, 0), 0)+ROW(D3)))) 