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.

An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document. You can add invisible digital signatures to Word documents, Excel workbooks, and PowerPoint presentations.

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 or remove a digital signature in Office files .

A digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. A signature confirms that the information originated from the signer and has not been altered.

To digitally sign an Office document, you must have a current (not expired) digital certificate. Digital certificates are typically issued by a certificate authority (CA), which is a trusted third-party entity that issues digital certificates for use by other parties.

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. Navigate to the location of your image file, select it, and then click Open. If you already own the Word desktop application, you can use it to do more with signatures.

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. What is a digital signature? A digital signature or ID is more commonly known as a digital certificate. To digitally sign an Office ...

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 . Navigate to the location of your image file, select it, and then click Open .

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 entire form or part of the form that was signed cannot be …

A digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. A signature confirms that the information originated from the signer and has not been altered.

You can use a digital signature for many of the same reasons that you might sign a paper document. A digital signature is used to authenticate digital information — such as form templates, e-mail messages, and documents — by using computer cryptography.