# Adding or Deleting a Trusted Signature

You can add a Trusted Electronic Signature to an Electronic Signature Case as follows. Open an Electronic Signature Case and perform the following procedure in the [DocuWorks Electronic Signature Case Tool] window.

## Adding a Trusted Electronic Signature

Procedure
1.
Select [Trusted Signature] tab of [DocuWorks Electronic Signature Case Tool] window.
2.
Select [Add a Trusted Signature] from the [Edit] menu of [DocuWorks Electronic Signature Case Tool] window.
The [Add a Trusted Signature] dialog box appears.
3.
Click [Browse] and select the associated Electronic Signature Proof Information file, then click [Open].
The contents of the Electronic Signature are displayed in [Proof information for Signature to be added].
4.
Click [OK].
The [Add a Trusted Signature] dialog box closes and the Electronic Signature you added appears in the [Trusted Signature] tab of the [DocuWorks Electronic Signature Case Tool] window.
Note

- The maximum number of Trusted Electronic Signatures you can add is 1,000.
- You can also add a Trusted Electronic Signature by dragging-and-dropping the Proof Information file to the [Add a Trusted Signature] dialog box.
- Make sure you add the Proof Information for a Trusted Electronic Signature only if you can confirm that it was created by the person who claims to have created it, for instance, when he / she handed you the Media disk containing the Proof Information or when the Proof Information was attached to a mail message which you can verify as sent by him / her.

## Deleting a Trusted Electronic Signature

Procedure
1.
Select [Trusted Signature] tab of [DocuWorks Electronic Signature Case Tool] window.
2.
Select the Trusted Electronic Signature you want to delete, then select [Delete a Trusted Signature] from the [Edit] menu of the [DocuWorks Electronic Signature Case Tool] window.
The confirmation dialog box appears.
3.
Click [OK].
The selected Electronic Signature is deleted.