Using document libraries are a great way to share ideas using Excel, Word, PowerPoint, OneNote and more. You can create and share documents quickly and easily.
Adding Documents and New Libraries (Folders)
Open SharePoint and browse to a site you have access.
Under Files, click +New
From the +New menu, you can choose to add a new file (Word, Excel, PowerPoint, or OneNote) or create a New folder to organize files.