LibreOffice calls out Microsoft for using "complex" file formats to lock in Office users - Neowin

https://www.neowin.net/news/libreoffice-calls-out-microsoft-for-using-complex-file-formats-to-lock-in-office-users/

> Another day, another complaint about Microsoft from LibreOffice. This time, LibreOffice accuses Microsoft of intentionally using overly complex XML to define documents and lock in users.