I was trying in Version 5.8.0-RC2 in my windows machine. From the file type menu, I can see there are several *.h5 options. I have tried selecting all fo them, looks like no luck. In every case, I am getting an error.
I was trying to read the 3D output files from CONVERGE 3.0 (output format is HDF 5).
ParaView 5.9 will have a CONVERGE CFD reader that I believe will work for CONVERGE 3.0 output files. You can try it out on Windows by downloading a ParaView nightly build from https://www.paraview.org/download/. Set the Version to nightly and download one of the links that starts with ParaView-latest-*.