Microsoft Word 2013 won't automatically add your signature to all documents, because signing off on a document should occur only when you personally confirm it's complete.

If the Signature Line option is greyed out in Excel or Word on your desktop, remove editing restrictions or add a signature line manually.

You no longer want to sign your Word documents by hand, but want to insert an electronic signature into the document quickly and easily. This is how it works.

Adding a signature graphic to a letter, report or official document can give the document a more authoritative and professional appearance. With Microsoft Word, you can add signature graphics to ...

Select “ Add Signature,” then sign with your finger. Tap “ Done” and move the signature where it needs to go. When you're finished, tap the “ Share” icon to send the signed document.