Thank you very much! The problem is that the file should be shared whit another person, so every method I tried, still even if I encrypt with a password and after that open with a password, then the other person sees the sheetHere is a webpage that explains 3 ways to do this. I knew of the 1st, but the last 2 may be of use to you, as well.
How to Password-Protect Hidden Sheets in Excel (3 Methods) - ExcelDemy
To password protect hidden sheets in Excel, we have shown three methods including VBA code. All three methods are fairly easy to digest.www.exceldemy.com
So I think I need to block it per-user, is there any way to do this?Thank you very much! The problem is that the file should be shared whit another person, so every method I tried, still even if I encrypt with a password and after that open with a password, then the other person sees the sheet