Workbook.Signatures Property


Gets the collection of digital signatures for the workbook.

public Microsoft.Office.Core.SignatureSet Signatures { get; }

Property Value


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.

Applies to