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Workbook.Signatures Property

Gets the collection of digital signatures for the workbook.

Namespace:  Microsoft.Office.Tools.Excel
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)

SignatureSet Signatures { get; }

Property Value

Type: Microsoft.Office.Core.SignatureSet
A Microsoft.Office.Core.SignatureSet collection that contains the digital signatures for the workbook.

To digitally sign Excel workbooks and verify other signatures in them, you need the Microsoft CryptoAPI and a unique digital signature certificate. The CryptoAPI is installed with Microsoft Internet Explorer 4.01 or later. You can obtain a digital signature certificate from a certification authority.

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