When you receive an ODF file, use the ODF document generation tools for editing! For questions regarding the ODF, please refer to the website of the Ministry of Digital Affairs.
https://moda.gov.tw/en/digital-affairs/digital-service/app-services/248

For immediate assistance, please call 886+2-5568-6069 ext. 9 or send any questions to odf@moda.gov.tw.