The data requested includes accounts associated with Microsoft and its major online product brands such as Hotmail, Outlook.com, Xbox LIVE and Skype. Microsoft, which acquired Skype in October 2011, said Skype data was reported separately as the company is governed by the laws of Luxembourg and the European Union.

According to the report, approximately 80 percent of the information provided to federal agencies was what is commonly referred to as "non-content data" which includes only information like usernames, e-mail addresses, gender, geographic location, IP addresses, and dates and times of online traffic.

Only 2.1 percent - 1,558 requests - resulted in the disclosure of customer content, the Redmond, Washington-based tech giant said.

The content disclosed included text and photographs from emails and data pulled from SkyDrive, Microsoft's cloud computing service.

"Like every company we are obligated to comply with legally binding requests from law enforcement, and we respect and appreciate the role that law enforcement personnel play in so many countries to protect the public's safety," Smith said in his blog post.

"As we continue to move forward, Microsoft is committed to respecting human rights, free expression, and individual privacy."

Microsoft said it plans to update the report every six months.

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