Microsoft has a large Macintosh software section (see links below) where they produce a range of software such as their Office suite. Historically Microsoft software, such as Word, appeared on the Macintosh several years before the Windows version.
PowerPoint was initially developed in 1984 by Forethought, Inc., Sunnyvale, California, for the Macintosh computer. In 1987, Forethought was bought by Microsoft and became Microsoft's Graphics Business Unit, which continued to further develop the software. http://en.wikipedia.org/wiki/Power_point
Sharon Andelora has written: 'Microsoft Works 2.0, Macintosh tutorial' -- subject(s): Integrated software, Macintosh (Computer), Microsoft Works 'ClarisWorks 3.0'
If your PC is not a Macintosh then Macintosh software will not work with it as it is a different, and incompatible, system.
For the digital artist, you will find design software for Macintosh to help you create flawless works of art. Microsoft Office Mac Home Business Multi Pack 2011 .
PaloAlto Software Inc., JIAN, Go BIG Network, Atlas Business Solutions are all business that develop business planning software. Companies like Microsoft also develop such software.
Microsoft was founded in 1975 and Macintosh in 1984
Bill Gates' company Microsoft has a division dedicated to creating programs for the mac operating system. The division owns an entire lab of the cutting edge macs and averaged mac desktops to develop and test there hardware and software.
Customer contact software is used by companies to help them manage communications with their customers. Some of the companies that develop such software include Microsoft, Maximizer and Autodesk.
Microsoft
System software is used to operate and control the hardware, and to allow application software to be run. The operating system (MS Windows, Linux, etc) is an example of system software.
There is no Microsoft Apple. Microsoft is a company that produces software such as the operating system called Windows or the word processor Word. Apple is another company that makes the Macintosh range of computers which use Apple's own Mac OS X operating system. Both companies produce software that works on the other companies operating system. For example Microsoft produces a version of Word for the Macintosh and Apple has a version of iTunes that works on the Windows operating system.
Apple© Macintosh© all the way!