Here in NZ, pretty much all medium/large businesses and govt departments have gone all-in with M365. Most govt departments are on the E5 licence, and have also started to roll out the Copilot licences too. The cost and complexity and the effort required to switch away from M365 is massive. It's not just using a different version of Excel and Word - that's the least of the issues. It's all the data stored in SharePoin…
Europe is doing a pretty good job on slowly veering off this addiction. Might be worth reaching out to them for knowledge sharing or two
The Dutch tax administration is currently busy pushing all of their internal docs etc to Microsoft as well, so much chagrin of course: https://berthub.eu/articles/posts/makelaarstaal-over-onze-be... (in Dutch, although the author has good stuff in English as well)