Microsoft offers a financially backed 99.9% service uptime guarantee for Office 365. "Uptime" is the amount of time a cloud-based service is available to the user and this translates to about 8 hours of downtime per year.
A full copy of their Service Level Agreement (SLA) can be found here.
While Microsoft offers an industry-leading guarantee for their service, they have actually exceeded their promise in the past fiscal year. In Fiscal Year 2013 (June 2012-July 2013), Microsoft's actual worldwide uptime was an astounding 99.98%, 99.98%, 99.97%, 99.94% and 99.97% per quarter for the service.
Furthermore, Microsoft is committed to maintaining transparency and discloses quarterly uptime numbers (as well as a variety privacy and security information) on their Office 365 Trust Center website.
To Download Microsoft's SLA, please see: Microsoft Service Level Agreement (SLA)
To see the worldwide uptime visit the Office 365 Trust Center
Matt Scherocman brings more than 15 years of experience in the information technology industry to Interlink Cloud Advisors. His experience includes both the system integrator and manufacturer sides of the business. During his time at the Microsoft Corporation he was responsible for all the the Large Account Reseller (LAR) relationships in the four state Heartland Area of Michigan, Ohio, Kentucky, and Tennessee. Prior to Microsoft, Scherocman led a Cincinnati based IT consulting company to grow 5000% and become a Microsoft Worldwide Partner of the Year. He is actively involved in the strategic vision and operation decisions of the company including finance, selling strategy and marketing. Matt holds a Bachelor of Science in Business degree from Miami University and is a Certified Expert in Microsoft licensing including speaking engagements at both Microsoft's Worldwide Partner Conference and Channel Partner Summit. He is a frequent contributor to leading industry publications.
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