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Why should whole-column references such as SUMIF(A:A, ...) be avoided in large workbooks?

  1. A They force Excel to process over a million rows
  2. B They are not valid syntax
  3. C They ignore the header row
  4. D They cannot be copied
Answer

They force Excel to process over a million rows

Using a Table reference or a bounded range restricts the calculation to actual data and is substantially faster.

All Microsoft excel MCQs

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