A new partnership aims to pair Microsoft’s cloud and productivity tools with BlackBerry’s security software for customers that require extra levels of privacy, above and beyond that of the normal consumer or enterprise.

The companies detailed a new joint product called BlackBerry Enterprise Bridge in an announcement Monday. It allows the companies’ shared customers, including large banks, healthcare providers, law firms and governments organizations to use Microsoft programs within the secure mobile app container software BlackBerry Dynamics.

“We saw a need for a hyper-secure way for our joint customers to use native Office 365 mobile apps,” Carl Wiese, president of global sales at BlackBerry, said in a statement.

BlackBerry stock jumped 5 percent in the aftermath of the announcement of the partnership with Microsoft.

BlackBerry known widely as one of the main legacy phonemakers from earlier days in the smartphone era. The company has since worked to reorganize itself to focus on a set of software products that work on other operating systems for customers in need of high levels of security.

For Microsoft, the partnership opens up a greater user base for Office 365 and fits with the company’s aim to create a seamless experience for its products across device types and operating systems.

Both companies stand out as examples of tech giants that attempted to compete in the mobile revolution but found their businesses upended, only to refocus on other ways to carve out a niche in the smartphone world.

This isn’t the first collaboration between the two tech companies. Since 2016 BlackBerry has been using Microsoft Azure cloud services for some of its security services. With the latest partnership, the companies said the entire BlackBerry Secure suite of security products will run on Azure.

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