Despite having an #opensource mandate for over 20 years, you still cannot deal with the Malaysian government without #Microsoft Windows and Office.
https://www.malaysia.gov.my/en/my-initiative/whole-government-digital-services/ict-sebagai-perkhidmatan/program-pembangunan-sistem-dan-keupayaan-sumber-terbuka-osdec
Program Pembangunan Sistem dan Keupayaan Sumber Terbuka (OSDeC)

Malaysia Government Online Service Gateway for Citizen

This corporate monoculture extends to every aspect of life and business in #malaysia as well. You cannot do anything without using proprietary Office or Adobe file formats, even in situations where those formats make no sense at all.