Microsoft
Yes, the word 'Microsoft' is a proper noun, the name of a specific company (Microsoft Corporation).
Microsoft.
Microsoft.
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Microsoft.
If you mean the meaning of the title then there isn't one. Microsoft is the company that created it and it is a word processing software. hence the name Microsoft Word.
It is created by Microsoft company. and shamus Parker
alot
its name came from the company who made it
Microsoft. All windows are made from that company.
The company that made Xbox and all its products is Microsoft.