Yesterday I created the 2 files on Windows. Today I download them to /tmp/test/ on Linux. Clicking any of the two hyperlink gives

Version: 24.2.3.2 (X86_64) / LibreOffice Community
Build ID: 433d9c2ded56988e8a90e6b2e771ee4e6a5ab2ba
CPU threads: 4; OS: Linux 5.15; UI render: default; VCL: x11
Locale: en-AU (de_DE.UTF-8); UI: en-US
Calc: threaded