This document provides instructions for adding files in Blackboard Learn 9.1. It explains how to enter a content area, select "Add Content" and then "Item" to name and describe a new item. Instructors can then upload PDFs and other files by browsing their computer. Multiple files can be attached and access restrictions can be set. Once all options are selected, clicking "Submit" will add the content. The document also covers using the "Add File" and "Add Image" tools to quickly upload files or images with descriptions.