Microsoft Word or MS-WORD (often called Word) is a graphical word processing program that users can type with. It is made by the computer company Microsoft. Its purpose is to allow users to type and save documents. Similar to other word processors, it has helpful tools to make documents. Importance of Microsoft Word. Microsoft Word (simply referred to as Word) is a sophisticated word processing application program/package specially designed for performing various word processing tasks, such as typing, editing and printing out of textual information.