>>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.

Yes, this is normal for MS Excel from version 4.0 or prior versions. Localized is UI only. BIF or XML use english command.

MartinaJ