The Quarterdeck QEMM More Memory! Version 7 BIG BOX is a vintage computer accessory released by Quarterdeck Office Systems, Inc in 1994. This product is designed to enhance the memory capacity of Windows and DOS systems, providing users with additional storage space for their files and programs. Designed in the United States, this big box accessory from Quarterdeck offers a convenient way to expand the memory capabilities of older computers, allowing users to work more efficiently and effectively on their desktop or laptop devices.