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Digital Signature is invalid, can't add it to the trusted list
A document that was digitally signed with a self certificate in word 2007 has invalid signiture when opened in word 2010. That makes sense. However trying to add that signature to the list of trusted
Digital signatures and certificates - Word - Office.com
Applies to Microsoft Word 2000 Microsoft Excel 2000 Microsoft Outlook® 2000 Microsoft Access 2000 Microsoft PowerPoint® 2000 If you visit a Web site you have never visited before
About digital signatures - Word - Office.com
Show All Hide All Microsoft Office 2003 uses Microsoft Authenticode technology to enable you to digitally sign (digital signature: An electronic, encryption-based, secure stamp of
How to tell if a digital signature is trustworthy - Word - Office.com
Show All Hide All Digital signatures play a central role in software security. This article explains what a digital signature is, and how you can check to make sure that a digital
Add or remove a digital signature in Office files - Word - Office.com
See how to use digital signatures, or digital IDs, in Word, Excel, and PowerPoint.