Microsoft Office or Microsoft Office System is a collection of computer programs made by Microsoft. The programs are created for all users. There are different versions of the software for home users and for business users. Microsoft Word is a word processor that lets a user type text into the document and add images, and different font or design choices. The main file formats are .doc and .docx. It also helps to check the spelling and find the meaning of words .Microsoft Excel is a spreadsheet and mathematics program that can make calculations and graphs based on data the user enters. The main file formats are .xls and .xlsx. .Microsoft PowerPoint is a program that creates presentations and slideshows.They can have text, drawing, pictures and media. They can also be set up to show on a projector. Microsoft Outlook is an email client that can send and receive emails. The user can add a contact list and multiple calendars. Microsoft Access is a database program where people can store data over many tables.