Dropbox is a cloud-based storage service featuring several plans that let you save files and sync them for easy sharing.

It's easy to use Dropbox on your iPhone to upload, download, or share files via the Dropbox app. Here's how to do it.

I go step by step to show how I use Dropbox on my iPhone to stay organized and back up files. I show how to download the Dropbox app, sign in, and use the free plan. I walk through uploading files, ...