My signature appears invalid in Adobe Acrobat Reader DC


When opening documents downloaded from DocuSign, Adobe Acrobat Reader DC displays the error "At least one signature is invalid".


We can assure you that the signatures applied by DocuSign are not invalid. This issue appears to only affect Adobe Acrobat Reader DC versions 2021.001.20135 and higher.


This issue has been fixed with Adobe Acrobat Reader DC version 2021.001.20140. Please update your version of Adobe Acrobat Reader DC.

If you need to verify and prove the signature validity of documents signed with Docusign, you can also do so via other validators, for example, our very own