Webster's New World 1001 Essential Letters for Windows 95 is a CD format letter writing software published by MacMillan Digital Publishing. This program is designed for English language use and is compatible with Windows operating systems. It is a standard license product that includes essential letters for various writing needs, making it a valuable tool for education, language, and reference purposes. With its focus on providing important letters for Windows users, this product is a practical resource for improving communication skills and knowledge.