You can easily upload files to Google Drive on desktop and mobile. Here's how to upload documents, pictures, and other files ...

You can share files and folders on OneDrive from within Office apps, from your desktop, or from the OneDrive website.

When it comes to smartphones, you're more likely to think of standards such as wifi, Bluetooth, and NFC (Near Field Communication) before the old FTP (File Transfer Protocol) technology comes to mind.