its name came from the company who made it
when was Microsoft started and what is its chairmans in full name
microsoft carporetion
Microsoft
Microsoft Excel is part of Microsoft Office. If that's what you mean.
Yes, the word 'Microsoft' is a proper noun, the name of a specific company (Microsoft Corporation).
Windows 7 is the name of new Microsoft's operating system.
Microsoft sells many operating systems most have Windowsin their name somewhere.
The new name of the Microsoft Partner Program is now the Microsoft Partner Network. You can still enroll to be a partner in this project, nothing ha changed except for the name.
PowerPoint is the original name for the Microsoft product. Before it was purchased by Microsoft in 1987, however, it was called Presenter by its developers, Forethought, Inc.
Microsoft Access & commonly known as MS Access
Microsoft one note
Microsoft's Graphic User Interface is called Windows.