Nov 4,  · Hi! Hope you are doing well. If you have forgotten the digital id password, then you can detach the digital id. Navigate to Edit -> Preferences (Win), or Acrobat -> Preferences (Mac), then select Signatures -> Identities & Trusted Certificates -> More, Click on Digital ID Files, select the one you want to detach, and click Detach File. After that, you can delete file. Jun 18,  · If the PDF file only has one valid signature but was added after the PDF was created, then go back to an ear