BEIJING, April 15, 2014 (GLOBE NEWSWIRE) -- 21Vianet Group, Inc. (Nasdaq:VNET) ("21Vianet" or the "Company"), the largest carrier-neutral internet data center services provider in China, today announced that Microsoft Corporation's (Nasdaq:MSFT) Office 365 services are now generally available to all paying customers in China, delivering for the first time the familiar Office productivity suite, now equipped with more advanced communication and collaboration tools, as a local cloud service to business and government customers throughout China. Operated by 21Vianet, Microsoft Office 365 can now provide fully-operational services to all paying customers in China. Combined with the previous general release of Microsoft Azure services in China operated by 21Vianet announced in late March, this new development further solidifies Microsoft as the first international company to offer a comprehensive commercial suite of public cloud services in China. Office 365 is Microsoft's fastest-growing commercial product ever; 20,000 customers have already tried Microsoft Office 365 services in China since its public preview in August 2013 including private enterprises, government organizations, and education institutions. Additionally, many large enterprises and government organizations have signed up for the services as paying customers including Shanghai, Wenzhou and Xi'an city governments. Office 365 technology leverages more than 20 years of Microsoft's experience providing the familiar Office productivity solutions to enterprises and institutions of all sizes, including Word, PowerPoint, Excel, OneNote and Outlook, all connected to Microsoft's collaboration services including Exchange Online, SharePoint Online and Lync Online. The cloud-based Office 365 enables users to store, manage and collaborate on documents across devices, while giving companies a high level of security and control to protect critical corporate data. The Company, in conjunction with Microsoft, held a ceremony celebrating the official launch today, April 15 at the Shanghai Energy Park. The event was attended by many government officials including Mr. Xiaofan Zhao, the Chairman of the China Software Association, and many corporate executives from enterprise customers including ICBC Leasing, Cigna-Daniel Ma, Dongfeng Renaut, TCL-Ms Ma, and Domino's, which were early adopters of Office 365.