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For some reason I cannot find the password I used to protect an Excel 2010 file a few months ago.

How do I unlock or recover it?

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Remember your password. – Isiscode Jan 30 at 13:11
Try "remove excel password" in youtube – Robert Ilbrink Jan 30 at 13:44
You may try to get help from some applications you find by searching google, but be careful because most password recovery apps are just a scam to install keyloggers and other malware to your computer. My suggestion would be to use Softpedia or some similar site that you can trust. – Mavromatis Lozay Jan 30 at 14:57
possible duplicate of Remove password from an Excel Document – soandos Feb 10 at 10:04
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migrated from stackoverflow.com Jan 30 at 14:25

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3 Answers

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Maybe this helps: Free Excel password Recovery

Before doing this I would backup your file, just to make sure.

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I currently use Smart Key Excel Password Recovery 5.0, which can recover lost or forgotten passwords of Microsoft Excel. Passwords to modify are recovered in just seconds!

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Could you provide a link to this software? – Simon Sheehan Feb 12 at 21:38
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The same old problem. There is no way quicker than remembering the password. Because whatever tools and softwares you find online to recover password will take a hint from you about the password(like how long was it, what was the first letter, was there any special character etc) and will try a brute force attack. And that attack might get it done in some time or might take forever depending on how close your hint was to the actual password. In either case, it'll take a long time. So its better you eat some healthy food and start trying to remember the password. Or just take the suggestion from the other answers.

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This is not entirely accurate. Excel validates the password against the hash so there is a myriad of actual strings that will unprotect the file. I've never had a password take more than a couple of seconds to crack. – Jesse Feb 11 at 0:16
So you are saying multiple strings can generate the same hash and hence open the file? Please kindly show us few examples. – Bibhas Feb 11 at 4:00
That is correct, you can google it. I don't share information to bypass security. – Jesse Feb 11 at 18:56
Well, without proof, your opinion is just misleading to the readers. Please do not do that. – Bibhas Feb 11 at 19:29
It's not opinion, it's experience. Here's a link to an article about a user's experience with password crackers that indicates the same thing. – Jesse Feb 11 at 22:06
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