NEW DELHI: Honing on Microsoft's strategy as a "devices and services" company, its India-born CEO Satya Nadella said the U.S.-based software giant will invest in data and applied sciences as well as software engineering for the push as a "mobile-first, cloud-first" firm.

In a letter to employees of Microsoft, which completed the acquisition of Nokia's handset business in April, Nadella said that "nothing is off the table" on the firm's thinking of shifting its culture to deliver on its core strategy, even "mergers and acquisitions".

Microsoft have described itself as a devices and services company and while the devices and services description was helpful in starting the transformation, there is "now need to hone in on our unique strategy," Nadella said.

"At our core, Microsoft is the productivity and platform company for the mobile-first and cloud-first world," he added.

He further said: "Nothing is off the table in how we think about shifting our culture to deliver on this core strategy. Organizations will change. Mergers and acquisitions will occur. Job responsibilities will evolve. New partnerships will be formed.

"Tired traditions will be questioned. Our priorities will be adjusted. New skills will be built. New ideas will be heard. New hires will be made. Processes will be simplified."

Outlining the steps to build on Microsoft's strategy, he said first it is important to obsess over the customers.

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