Preview can do more than just show you a file in macOS, as it is especially handy for annotating images and editing PDFs.

You can use the macOS Finder's Copy command to copy and paste files. But here's how to use the same command to copy file icons into Preview. You've probably used the macOS Finder's popup contextual ...

If you already have a PDF that you’d like to sign, double-click on it to open it in Preview. Then click on the Pen icon near the top right, select the Sig icon, and choose “Create Signature from Built ...

When you receive a PDF document by email that you must sign, the process of printing out the file, signing on the dotted line with a pen, scanning the signed document and sending it back can be a ...