Revenue from external customers, classified by significant product and service offerings were as follows:
| (In millions) | ||||||||||||
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| Year Ended June 30, | 2013 | 2012 | 2011 | |||||||||
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Microsoft Office system |
$ | 22,995 | $ | 22,299 | $ | 20,730 | ||||||
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Windows operating systems for computing devices |
17,529 | 17,320 | 17,825 | |||||||||
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Server products and tools |
15,408 | 14,232 | 13,251 | |||||||||
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Xbox 360 platform |
7,100 | 8,045 | 8,103 | |||||||||
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Consulting and product support services |
4,372 | 3,976 | 3,372 | |||||||||
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Advertising |
3,387 | 3,181 | 2,913 | |||||||||
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Other |
7,058 | 4,670 | 3,749 | |||||||||
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Total |
$ | 77,849 | $ | 73,723 | $ | 69,943 | ||||||
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