After 23 years at Microsoft, most people would pack up their belongings and move on after a layoff. But for one long-time employee, the story took a surprising turn — even after being officially let go, he’s still showing up at the office. The former senior employee, whose name has not been publicly disclosed, said in a viral post that he continues to go into Microsoft’s Redmond campus out of a sense of duty to his team and longstanding customers. “I’m no longer on payroll,” he wrote, “but I still have unfinished business. I’ve spent two decades building relationships, mentoring others, and ensuring our clients were taken care of. I can’t walk away cold.” The unusual move comes as major...