Small and Medium-sized stores benefit the most from Microsoft RMS: Retail Management System store operations software! The RMS: Retail Management System software is compatible with other Microsoft products like Word, Excel and Access and runs seamlessly on Windows 98, Me, NT, 2000 and XP. Choose the RMS: Retail Management System software to get features like point-of-sale and checkout processing, inventory tracking, pricing changes, customer data management, custom reporting, variable security levels and the ability to interface with a variety of accounting software programs.