What does the DAX function ALLEXCEPT() do, and when is it typically used?

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What does the DAX function ALLEXCEPT() do, and when is it typically used?

Key points

  • ALLEXCEPT() targets column-level filters specifically
  • It enables dimension-aware calculations by excluding unwanted filters
  • Ratio calculations benefit significantly from this function
  • Incorrect options confuse filter application with removal

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