Give partial access to the spreadsheet through importrange RESUELTO

[gvalero]

Hola @Tuttografica

Maybe you could use Query(Importrange()) functions to have more options and flexibility when you read your data along with other tips indicated above.

Here I talked about this if you want to test:

Importrange

Thank you All! This worked for me: Install time based trigger copy now() function from one cell to another

Saludos!