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Microsoft Said to Work on Software for ARM-Based Servers

Microsoft Corp. is working on a version of its software for server computers that run on chips based on ARM Holdings Plc’s technology, people familiar with its plans said, a move that could help loosen Intel Corp.’s grip on the market.

The world’s largest software maker has a test version of Windows Server that’s already running on ARM-based servers, according to the people, who asked not to be identified because the plans aren’t public yet. Microsoft, based in Redmond, Washington, hasn’t yet decided whether to make the software commercially available, one of the people said. Microsoft now only offers a server operating system for use on Intel’s X86 technology-based processors.