View digital signature and certificate details

You can view information about a digital signature, or the certificate that is used to create the digital signature, in Word, PowerPoint, and Excel.

Note: Digital signatures can’t be created or removed in Microsoft Excel Starter 2010 or Microsoft Word Starter 2010.

View digital signature details

  1. Open the file that contains the digital signature you want to view.

  2. Click File > Info > View Signatures.

  3. In the list, on a signature name, click the down-arrow, and then click Signature Details.

Signature Details dialog

From the Signature Details dialog box, you can determine if the signature is:

  • Valid     The signature is current. The certificate is trusted, and isn’t expired or revoked.

  • Invalid     The certificate is revoked or the content signed has been altered.

  • Recoverable error     The signature isn’t valid now but you might be able to make it valid. The problem might be that you are offline, the certificate is expired, or the certificate issuer isn’t trusted.

  • Partial signature     A portion of a file is signed.

View certificate details

The Signature Details dialog box displays certificate information such as the signer’s name in the Signing as box, and who issued the certificate.

  1. Open the file that contains the certificate you want to view.

  2. Click File > Info > View Signatures.

    Signatures Pane with valid signer

  3. In the list, on a signature name, click the down-arrow, and then click Signature Details.

  4. In the Signature Details dialog box, click View.

Certificate dialog

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