To validate a signature, a certifying authority validates information about the creator of the file and then issues the digital certificate. They help to assure you that the file has not been tampered with.Ī digital certificate is an ID that a file carries with it. More information What is a digital certificate?ĭigital certificates and signatures help to assure you that the file that you are about to use comes from a reliable source. This ensures that you were the last person to make changes to the workbook or macro project. In Microsoft Office Excel 2003 and in later versions of Excel, you can digitally sign a workbook or code sign your macro project. For more information about this change, read this blog post. Office 365 ProPlus is being renamed to Microsoft 365 Apps for enterprise.
