Check if VBA project in a Workbook is Signed

You can check if your VBA project is signed or not using Microsoft Excel via Tools > Digital Signatures… menu command. Similarly, you can check it programmatically using Aspose.Cells Workbook.VbaProject.IsSigned property.

Check if VBA project in a Workbook is Signed in C#

The following code loads the workbook and checks if its VBA project is signed using Workbook.VbaProject.IsSigned property. The property will return true if the project is signed otherwise it will return false.

Assign Macro to Form Control Add a library reference to VBA project in workbook