A collective suite of products that includes Microsoft Word, Excel, Access, PowerPoint, and Outlook is known as MS Office which is developed by Microsoft Corporation. All the programs offered in the package are compatible with each other even though they serve different purpose. Microsoft office is compatible with both Windows and Macintosh operating system and is the most commonly used software now a days.
MS Office is the software which has its implementation in daily life. Any profile you decide to work on or project work you have undertaken requires working on one or the other product of the suite.