[elygre]

Microsoft started building their new Munich headquarters in 2013/2014. Their old headquarters were already immediately outside Munich. For example, the Munich airport is further away from Munch city than the old headquarters were.

The decision to revert to a Microsoft Platform was taken in November 2017.

[Isolus]

Yes, the final decision to revert to Microsoft was taken in 2017. But in 2014, the mayor of Munich began an investigation into how to return to Microsoft products. And he was also the one who negotiated the location of the headquarters with Microsoft in 2013.