What is the best possible protection for an excel file that prevents>>>>>?

[ahmedmehanna]

What is the best possible protection for an excel file that prevents (pressing Shift - breaking internal and external protection - breaking the protection of macro codes) and linking the file to one single device

 

[Joe4]

Unfortunately, the built-in Excel protection measure are pretty weak and easily broken.
You usually have to go one of the routes mentioned here: 4 Ways to Protect VBA (Visual Basic for Applications) Code - Filelem
or purchase some protection program someone has created.

 

[vince77]

Do not use the protection options that are there in excel by default. They're not that efficient. You can maybe use some third-party protection program.

 

[ahmedmehanna]

Do not use the protection options that are there in excel by default. They're not that efficient. You can maybe use some third-party protection program.

What programs can you recommend to me?