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Gets the key length of the algorithm that Microsoft Office Excel uses when encrypting passwords for the workbook.
Assemblies: Microsoft.Office.Tools.Excel (in Microsoft.Office.Tools.Excel.dll)
Microsoft.Office.Tools.Excel.v4.0.Utilities (in Microsoft.Office.Tools.Excel.v4.0.Utilities.dll)
Use the SetPasswordEncryptionOptions method to specify whether Excel encrypts file properties for the specified password-protected workbook.
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.