>Don't use french Excel - yes it's (very) bad advice ;-)
>
>I don't test it: https://support.microsoft.com/en-us/office/excel-functions-translator-f262d0c0-991c-485b-89b6-32cc8d326889

Yes, my setup is all in English. However, when you work onsite, you're faced sometimes with French versions.

I have read that page. It is good to know there are some tools available to help in that direction.

However, this situation is very strange. It would be as if a development language would provide localized language commands.