how to unlock a word doc

I locked this doc a year ago and can't remember the code. Now I need to use the doc again but can't edit it nor copy and paste the contents.  
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Ingeborg Hawighorst (Microsoft MVP / EE MVE)Microsoft MVP ExcelCommented:
Hello, you'll need a tool to break the password. Try a google search for

Word password recover

and you'll find plenty on offer. Most are commercial and want to get paid, though, but there are some free solutions.

cheers, teylyn
RartemassLife CoachCommented:
Passware Kit is good for this. You will need to pay for it however. There is a demo version.
Here is a free one for password recovery:

Hope that helps!

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It sounds as if you have Forms protection set. Try inserting the file into a blank document.

Insert tab> Text group > Object button > Text from file
I'm not sure how much this question compliance with EE rules. however assuming that you are trying to recover your won document,

the below link has some good sugesions that probably helps you.
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