Microsoft, U.S. Set for High Court Battle on Overseas Emails

• Microsoft, U.S. at odds over law enforcement request for user data stored in Ireland • Supreme Court oral arguments set for Feb. 27

Microsoft Corp. and the U.S. government will face off Feb. 27 in U.S. Supreme Court oral arguments over whether the tech giant must turn over to law enforcement user emails stored in Ireland.

The Supreme Court’s ruling will send reverberations through the cloud where companies store consumer data across borders. The court has a chance in the high-stakes litigation to provide clarity for online companies and law enforcement agencies on when and how data stored abroad ...