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# Digital Signatures

Adds and removes digital signatures to and from your document. You can also use the dialogue box to view certificates.

To access this command...

#### From the menu bar:

Choose File - Digital Signatures - Digital Signatures.

Choose File - Properties - General tab, click Digital Signatures button.

Choose Tools - Macros - Digital Signature.

#### From the tabbed interface:

Choose File - Digital Signatures.

#### From toolbars:

Digital Signature

#### From the status bar:

Click the Signature field on the Status bar.

About Digital Signatures

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.

## List

Lists the digital signatures for the current document.

The Signed icon indicates a valid digital signature, while the Exclamation mark icon indicates an invalid digital signature.

See also Digital Signatures.

## View Certificate

Opens the View Certificate dialogue box.

## Sign Document

Opens the Select Certificate dialogue box.

## Remove

Removes the selected signature from the list. Removes all subsequent signatures as well, in case of PDF.

## Start Certificate Manager

Opens the installed certificate manager of your system.

On macOS, the default certificate manager is Keychain Access.

On Windows systems, the default certificate manager is Certmgr.msc, a Microsoft Management Console snap-in using Certmgr.exe, and does not manage OpenPGP certificates. To manage both X509 and OpenPGP certificates install the gpg4win tool.

Related Topics

Applying Digital Signatures