Dropbox is a free service that lets you bring all your photos, docs, and videos anywhere. In a nutshell, any file you save to your Dropbox will automatically save to all your computers, tablets, smart phones, and even to the Dropbox website.

Dropbox also makes it super easy to share with others. Even if you lost your files through virus attack or whatever on your laptop, desktop or mobile device, you can relax knowing that Dropbox is there and none of your stuff will ever be lost.

I have made a tutorial on how to send large file to your client easily using Dropbox. See below: