LibreOffice 24.8 Help
Adds and removes digital signatures to and from your document. You can also use the dialog to view certificates.
You must save a file before you can apply a digital signature to the file.
You must save a file in OpenDocument format or OOXML format or export to PDF before you can apply an X509 digital signature to the file. You must save a file in OpenDocument format and have GnuPG installed on your system before you can apply an OpenPGP digital signature to the file.
The signature will be a XAdES signature for ODF and OOXML, PAdES signature for PDF.
Lists the digital signatures for the current document.
Click the Promote Level or Demote Level icon .
Digital Signatures
Opens the View Certificate dialog.
Opens the Select Certificate dialog.
Removes the selected signature from the list. Removes all subsequent signatures as well, in case of PDF.
Opens the installed certificate manager of your system.