Thanks for sharing those details.

Those are Program files, not Presets. It is important to understand the difference between Programs and Presets on the H90, see below: https://cdn.eventideaudio.com/manuals/h90/1.12.5/content/terminology.html

See #4 here to import a Program: https://cdn.eventideaudio.com/manuals/h90/1.12.5/content/h90-control/edit.html#content-h90-control-edit–page-root