[andreareina]

- Your programs are not portable (guess what VLOOKUP is in the Spanish version)

[dtech]

They are portable, you can open a file made in Spanish Excel in the English Excel and vice-versa and always see VLOOKUP in English Excel.

It's "just" that since the formula language is also localized, you'll need the Excel localization(s) you know to work on it.

[andreareina]

I stand corrected!