This document summarizes research conducted from 2007-2009 on the impact of new ways of working on knowledge worker performance at Microsoft Netherlands. The research included interviews, surveys in 2007 and 2008, and analysis of reports. The goal was to understand how moving to a new building affected dimensions of work and output variables like productivity and job satisfaction. Key findings included higher flexibility and slightly higher perceived productivity after the move. The work dimensions influencing outputs were shifting towards aspects like work-life balance and workplace mobility. The document discusses the research approach, definitions, findings and opportunities to link the work to other research.