Microsoft’s Office 365 has passed as the most popular service among companies that use Okta’s device and identity management products, according to a new report released Thursday.

From November 2013 to June 2015, Microsoft went from being the fourth most popular service to passing Google Apps, Box and recently to become the most-used app among the more than 2,500 companies that rely on Okta’s services. Those businesses range from large enterprises like Intel to smaller firms with fewer than 250 people.

Unsurprisingly, 74 percent of large businesses with more than 4,000 employees run only Office 365, while just 50 percent of businesses with fewer than 250 employees subscribe only to Microsoft’s office suite. It’s most popular in the U.S., Canada and Western Europe.

While Office 365 is ascendant, those gains didn’t translate into user growth for Yammer, the enterprise social networking service that Microsoft bundles with many editions of its office suite. That service’s user growth flatlined over the past few months, even as other applications exploded in popularity.  



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