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How to protect excel file from all kinds of password breakers and removers?

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closed as not a real question by Canadian Luke, CharlieRB, Dave M, Dennis, 8088 Feb 6 '13 at 17:19

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

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Welcome to SuperUser. Your question is vague and gives very little background about the problem you are facing. Please take a minute to read How to Ask and then edit your question in order to improve it. Otherwise, it will likely be closed. –  CharlieRB Feb 6 '13 at 17:02
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Absolutely NOTHING protects a file from EVERY password-based attack, if that's your only form of security –  Canadian Luke Feb 6 '13 at 17:04

1 Answer 1

Put it inside an AES encrypted zip file protected by a password of suitable length and complexity. 7-Zip is an example of a compression program that offers this feature.

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