To upload a document, click on your Drive. You can drag and drop files from your computer or click Add New File. You can also create a folder to organize your documents by clicking Add New Folder.
Save an attachment from an e-mail directly to your Drive simply by clicking on the download icon next to the attachment. One click and it's available in your Drive!
To view the attachment, click on your Drive and select the file. It will open in a new window.