Microsoft Corp. today announced quarterly revenue of $20.49 billion for the quarter ended March 31, 2013. Operating income, net income, and diluted earnings per share for the quarter were $7.61 billion, $6.06 billion, and $0.72 per share.

These financial results reflect the net recognition of revenue related to the Windows Upgrade Offer, Office Upgrade Offer and Pre-Sales, and the Entertainment and Devices Division Video Game Deferral, partially offset by the European Commission fine. The following table reconciles these financial results reported in accordance with generally accepted accounting principles (GAAP) to non-GAAP financial results. We have provided this non-GAAP financial information to aid investors in better understanding the company’s performance.

“The bold bets we made on cloud services are paying off as people increasingly choose Microsoft services including Office 365, Windows Azure, Xbox LIVE, and Skype,” said Steve Ballmer, chief executive officer at Microsoft. “While there is still work to do, we are optimistic that the bets we’ve made on Windows devices position us well for the long-term.”

The Microsoft Business Division posted $6.32 billion of revenue, an 8% increase from the prior year period. Adjusting for the net recognition of revenue related to the Office Upgrade Offer and Pre-Sales, Microsoft Business Division non-GAAP revenue increased 5%. During the quarter, we launched the new Office, enhancing productivity and the user experience through new mobility, social, and cloud features.

The Server & Tools business reported $5.04 billion of revenue, an 11% increase from the prior year period, driven by double-digit percentage revenue growth in SQL Server and System Center.

“Our enterprise business continues to thrive,” said Kevin Turner, chief operating officer at Microsoft. “Enterprise customers are increasingly turning to Microsoft for their IT solutions and as a result, we continue to take share from our competitors in key areas including hybrid cloud, data platform, and virtualization.”

The Windows Division posted revenue of $5.70 billion, a 23% increase from the prior year period. Adjusting for the recognition of revenue related to the Windows Upgrade Offer, Windows Division non-GAAP revenue was flat. During the quarter, we added to the Surface family of devices with Surface Pro.

The Online Services Division reported revenue of $832 million, an 18% increase from the prior year period. Online advertising revenue grew 22% driven by an increase in revenue per search.

The Entertainment and Devices Division posted revenue of $2.53 billion, an increase of 56% from the prior year period. Adjusting for the recognition of revenue related to the Video Game Deferral, the division’s non-GAAP revenue increased 33% for the third quarter. Xbox LIVE now has over 46 million members worldwide, an 18% increase from the prior year period.

“Our diverse business continues to deliver solid financial results, even as we navigate the evolving device market,” said Peter Klein, chief financial officer at Microsoft. “Looking ahead, we will continue to invest in long-term growth opportunities to drive our devices and services strategy forward and deliver ongoing value to shareholders.”

Business Outlook

Adjusting for the European Commission fine, Microsoft is revising operating expense guidance downward and now offers a range of $30.2 billion to $30.5 billion for the full year ending June 30, 2013. Microsoft also offers preliminary fiscal year 2014 operating expense guidance of $31.6 billion to $32.2 billion, representing 4% to 6% growth from the mid-point of fiscal year 2013 adjusted guidance.

CFO Transition

The company also announced Microsoft CFO Peter Klein will leave the company at the end of the current fiscal year, after nearly four years in role and 11 years at the company. Microsoft will be naming a new CFO from its finance leadership team in the next several weeks.

“It has been a pleasure to work with Peter as CFO,” Ballmer said. “He’s been a key member of my leadership team and a strategic advisor to me, and I wish him the very best.”

“I’ve had a great experience as CFO and overall in my time at Microsoft,” Klein said. “We have an incredibly strong finance organization, and I’m looking forward to working with my successor on the transition through the end of the fiscal year.”