Remove invisible digital signatures from Word, Excel, or PowerPoint

1. Open the document, worksheet, or presentation that contains the invisible signature you want to remove.
2. Click the File tab. The Backstage view appears.
3. Click Info.
4. Click View Signatures.
5. The document, worksheet, or presentation view returns, and the Signatures pane appears.
6. Next to the signature name, click the arrow.
7. From the menu, select Remove Signature.
8. Click Yes.