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 that’s basically it. That’s why I’ve set myself a goal to learn one new Excel ...

You can use Excel, Microsoft's spreadsheet program, to store, organize, and analyze data in a number of ways.

You can do a mail merge in Microsoft Word and Excel to create personalized documents for many recipients at once.