i need a real stongly way to protect the sheet that no one can use any prog to break the password
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save my protected sheet
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Discussion
I'm not sure this is possible with Excel. If your data is very very important and must be protected to a high level then you should either not use Excel or store the file in an encrypted way with other software like VeraCrypt.
don (rep: 1989) Nov 27, '20 at 5:42 pm
Answers
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Hi Genidy
you can requuire a password to open a file.
if you click "Prepare for distribution" then" Encript for document" that may help