Microsoft has reported profits of $4.52bn (£2.96bn) for the three months between April and June - up 48% on the same period last year.
The world's biggest software company said strong sales of its Windows 7 operating system helped boost profits.
The company said 175 million Windows 7 licences have now been sold since its launch last year.
Total revenues hit $16bn with strong sales from its Bing search engine and the Xbox games console.
BBC News
