Spreadsheet.Load

Name	Mandatory	Description	Default	Type
⬅️ Input		The input of the shard, if any		StringBytes
Output ➡️		The resulting output of the shard		Workbook

Loads an Excel/ODS workbook from a file path or in-memory bytes. Returns a Workbook object whose sheets are eagerly parsed and cached for subsequent Spreadsheet.Read / Spreadsheet.Sheets calls.

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