When receiving a digital document such as a PDF or Word file that needs your signature, you can easily take care of that using your phone. Whether you use an iPhone or an Android phone, both include ...

We get documents in PDF format from the government or other agencies. Some documents come with digital signatures placed on the pages. If they are already validated, we see a Signature Valid message ...

You can sign PDF documents in Windows, completely electronically, using the PDF viewing program Adobe Reader. Here's how.

You can edit a PDF on your Mac with Preview, an app that's built-in to your computer from the start. You can use this program ...

Adding a signature to your Apple Pages doc is one of the best ways to solidify your authorship. It’s also a nice calling card if you plan on sharing your Pages file with others, or if you decide to ...