This is the most common form of protection found in corporate environments. It prevents users from editing specific cells, adding new sheets, or hiding columns. It is essentially a "please do not edit" flag within the file's XML structure.
He felt a rush of relief, but as he scrolled to the bottom of the "Executive Salaries" tab, he saw a hidden note in cell Z99, colored in white text so it was invisible unless highlighted: Excel Password Remover Github
: Scripts that strip the password protection from the Visual Basic for Applications (VBA) project structure within a workbook. This is the most common form of protection