In 90s only those who want to enter in computer or IT field thought for computer courses. Now people understand the importance of computers or information technology in their life. Every thing everyone use today in day today life is directly or indirectly linked with IT, from mobile to watch, tv to music system, fridge to washing machine, calculater to car, everything every where. Now is the time that scools have added basic computer science as a new and mendatory subject in school. Now come to second stage, What is basic Computer science or what we have to study if we want to get basic knowledge of computers. At first if we think about computers, Microsoft Office came in mind as maximum of computers we are using are windows operating system based and Microsoft company has made this operating system. Microsoft has made a software or we can say application system named as Microsoft Office for All the clerical work like documentation, reports, presentation etc. Microsoft office includes Microsoft Word, Powerpoint, Excel, Outlook, Access, Grove, Infopath, Onenote, Publisher and other tools for make our work easy.