Microsoft will end support for Windows XP on Tuesday, and with an estimated 30 percent of businesses and consumers still using the operating system, the move could put everything from the operations of heavy industry to the identities of everyday people in danger.
Microsoft is following through on a promise to update its Windows 8 operating system on a regular basis to respond to consumers' complaints and other feedback.
Microsoft says it had appointed Mason Morfit, the president of activist investment firm ValueAct Capital, to its board of directors.
President Obama's 2015 budget Tuesday confirmed plans to dramatically shrink the U.S. Army to the lowest levels since before World War Two. Locally, it will mean a loss of thousands of jobs at Joint Base Lewis McChord, creating a flood of soldiers leaving the military and looking for work.
Microsoft co-founder Bill Gates is back on top of the list of the world's richest people after a four-year hiatus.
Here's a look at key moments in Microsoft's history.
Here are some of the most pressing items on Nadella's to-do list as he reshapes Microsoft into a "mobile-first, cloud-first" company:
On Tuesday, Microsoft named Satya Nadella to replace Steve Ballmer as CEO. Ballmer had announced in August that he was planning to step down within a year. The CEO appointment is effective immediately.
Microsoft has named Satya Nadella, an executive in charge of the company's small, but growing business of delivering software and services over the Internet its new CEO. Company founder Bill Gates is also leaving the chairman role for a new role as technology adviser.
A lawsuit by Microsoft Corp. says an Iowa computer and information technology company sold computers with counterfeit Microsoft software.
Philanthropists Bill and Melinda Gates pitched an optimistic future for the world's poor and sick in their annual letter Tuesday, arguing passionately against three myths they say hurt efforts to bring people out of poverty, save lives and improve living conditions.
Ford Motor Co. shares rose while Microsoft Corp. stock fell Wednesday morning on news that Ford CEO Alan Mulally won't leave the automaker to lead the software giant.
Ford CEO Alan Mulally says he will not leave the automaker for Microsoft and will stay at Ford at least through 2014.
Microsoft says more than 2 million of its Xbox One consoles have been sold since the system's launch 18 days ago.
Microsoft Corp. says that more than 1 million Xbox One consoles have been sold worldwide since their midnight launch.