WhatsApp can do more than send messages and photos. A hidden tool inside the app turns stacks of paper into tidy digital files in just a few taps.

I don’t use Microsoft Excel all that often, so it remains a bit of a mystery to me. I can enter text and create graphs and ...

You can insert a checkbox in a Word document that can be checked off electronically, or with a pen after being printed.

You can get Windows to read text to you aloud using an accessibility tool called Narrator, which you can access from the ...