I fear that goes straight to Asobo's cloud save "blob of doom", not in a properly accessible local file. If you have MSFS on Steam, you can find that (and your input profiles as XML!) under C:\Program Files (x86)\Steam\userdata\<your Steam user ID>\1250410\remote, and it will look like a lot of this in a hex editor:
d8e87688-f328-43d5-97bd-96c0f0b1cbb0-image.png