Good evening Guessed and thank you for your feedback!

Yes you are right, but it's not a question for me to disable anything from the user, on the contrary as you say, it to bring an added value to his experience.

The idea I had with a custom QAT was to be able to link it to the custom ribbon for the user. In fact, in the case I encountered, I had no more space on the latter, and creating an additional tab for only a few items (needed only from time to time and under specific conditions), was not very ergonomic for my taste.

By default, startFromScratch="true" displays only the custom ribbon and the custom QAT.

Great that you can reset each tab with idMSo, I hadn't thought of that, thanks for the info! I think it's a bit like the Backstage?

Yes the idea of importing the .qat export file is also interesting... but the simplest would be that MS creates us a idMso for the QAT, as Application.CommandBars.ExecuteMso ("MinimizeRibbon") works for a ribbon.

With that I wish you a very good evening,
David