This document provides an overview of SAP Business Warehouse (BW) and instructions for accessing and working with BW reports. BW is SAP's data warehousing tool that allows users to perform ad hoc analytical reporting on summarized data uploaded from SAP R/3. The document reviews how to log into BW, search for and open reports, enter selection criteria to filter data, work with variants to save commonly used criteria, and customize reports. It also provides guidance on executing reports, saving workbooks, and refreshing data.