Need to send someone a big batch of files? Don’t attach one after another after another to your e-mail. Instead, compress the files into one smaller, easier-to-manage file. In other words, “Zip” them.

Zip files are incredibly useful for sharing data over email, cloud storage and on a USB stick. They let you group files together, be they documents, images or audio files. And as zip files typically ...

Even if your email provider allows you to send massive attachments, email recipients with slow Internet connections may prefer that you didn't. One way to make files smaller without editing them is to ...