Sharing files in Dropbox is an easy way to pass Office docs and the like between colleagues. Usually those invites show up in your inbox as links, and now you can open them right inside the cloud storage app. Tapping a share link on your mobile device gives you the option of previewing the file(s) in Dropbox, making it a bit easier to save them to an exact spot in your own repository. This also puts you one step closer to editing that Office stuff too, which can also be done inside the Dropbox mobile apps (iOS only, for now). The update that delivers this new feature is rolling out now for both iOS and Android.