1. Open the SharePoint site and go to the document library where you want to save the attachment.
2. Go to your email and locate the attachment you want to save.
3. Click and hold mouse left-button on the attachment and drag and drop it to the document library. You will see a box around the document area to let you know you can release the mouse and the document will be copied.
4. You will receive a notification that the document is now available.