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I have an mdb file on my computer, but unfortunately I have forgotten my password, so I can not open it now.

Is there any way to remove this password or some other way to open this file?

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What version of Access? –  Nifle Aug 25 '10 at 7:42
    
Database passwords are almost completely useless, so once you've removed it, don't put one back. –  David W. Fenton Aug 25 '10 at 19:32
    
@DavidW.Fenton: that's a bit of a silly thing to say. They will stop novice users from opening up an MDB and messing it up. They do serve a valid purpose. –  CJ7 May 15 '12 at 4:02
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3 Answers

up vote 5 down vote accepted

Access PassView

This utility reveals the database password of every password-protected mdb file that created with Microsoft Access 95/97/2000/XP or with Jet Database Engine 3.0/4.0 . It can be very useful if you forgot your Access Database password and you want to recover it.

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for old versions of Access I've had luck with this: http://jackcess.sourceforge.net/

import com.healthmarketscience.jackcess.*;  

Database db=Database.open(new File("xxxx.mdb"));  
System.out.println(db.getDatabasePassword() );
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