A zip makes sharing a large number of photos, videos, or other types of files easier. Here's how to compress several files on an Apple iPhone or iPad.

Alternatively, you can use PDF Expert to create a ZIP file of photos or files. The more I tinker and poke round in the app, the more I realize just how much it does.

Knowing how to create zip files can make a difference in your document storage. The stuff inside won’t take a lot of space, and the latest file formats are often larger.