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XLSX Requirements

XLSX support is bundled through PhpSpreadsheet, but the server must support ZIP handling.

  • ZipArchive must be enabled in PHP.
  • If ZIP support is missing, CSV remains fully supported.
  • Excel dates are normalized during import, including common date cells and serial date values.
  • Blank start and end dates in discount or special-price workflows are stored as 0000-00-00.