Workbook.Signatures Property (Excel)
Returns the digital signatures for a workbook. Read-only.
Version Information
Version Added: Excel 2007
Syntax
expression .Signatures
expression A variable that represents a Workbook object.
Remarks
To digitally sign Excel workbooks and verify other signatures in them, you will 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.
Example
Sub AddSignature()
ActiveWorkbook.Signatures.AddSignatureLine
End Sub