This document provides information about Microsoft Office applications - MS Word, PowerPoint, and Excel. It summarizes that MS Word is a word processing program launched in 1983 that allows users to create, edit, and format documents. PowerPoint is a presentation software that uses slides to convey information visually. Excel is a spreadsheet program used to enter, analyze, and store numerical data in tables of rows and columns. The document discusses the uses of these applications for teachers, students, and other professions.