You can add invisible digital signatures to Word documents, Excel workbooks, and PowerPoint presentations. Signed documents will have the Signatures button at the bottom of the document.

How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.

You can add a signature line to a document, add a graphic of your handwritten signature, or save a signature block as an AutoText building block. For information on adding a digital signature, see Add …

This article explains how you can get or create a digital signature for use in Office documents. To learn more about how to use them in Office documents, see Add or remove a digital signature in Office files.

Digital signatures support this change by providing assurances about the validity and authenticity of a digital document. For more information, see Add or remove a digital signature in Office files.

To add the signature to a document in Word for the web, click in the document to place the cursor where you want your signature to appear. Click Insert > Picture.

A digital signature is used to authenticate digital information — such as form templates, forms, e-mail messages, and documents — by using computer cryptography. Once a form is signed, either the …

Each workflow that you add is a unique version of the basic Collect Signatures workflow, each with its own specialized way of working, based on the settings that you specify when you add it.

You can use the underline key or a single cell table to add a signature line to your Word documents. You can also insert a graphic of an actual signature. However, you can't add a digital signature line to …

Signing your email messages with a digital ID helps to prove your identity and prevent message tampering.