Not only is one German state moving from Microsoft to LibreOffice, but the whole federal government is committing to move to open standards by 2027: https://blog.documentfoundation.org/blog/2025/04/29/germany-committing-to-odf-and-open-document-standards/
Germany committing to ODF and open document standards - The Document Foundation Blog

Digital sovereignty is of vital importance for data freedom. If governments and organisations use proprietary or pseudo-standard formats, they limit the tools that citizens can use to access data. So we’re happy to see that the IT Planning Council in Germany is committing to move to the Open Document Format – a fully standardised format […]

The Document Foundation Blog
@libreoffice which means, they will stick with MS and just change the default format ...
@leyrer @libreoffice We're also very likely in for a rush of basest anality, unfettered cronyism and apocalyptic incompetence. Wouldn't bet on anything at the moment.