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How do I get past, "Unrecognized database format '*.mpddb'"? from Bob!

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First published by:
Troy Wolbrink
on 3 Aug 2010
Last revision by:
Troy Wolbrink
on 9 Sep 2017
13 people found this article useful.

50% of people found this useful
How do I get past, "Unrecognized database format '*.mpddb'"?

The Quick Fix

This error means that your database file has been corrupted.  The solution is to restore a backup.  Under the "File" menu, click on "Restore" to see a list of recent auto-backups.  Select the most recent backup and click the "Restore" button.  If that doesn't work, try the next most recent auto-backup, etc.

Dropbox Infomercial

Speaking of backups, make sure that you're keeping your TntConnect database on Dropbox.  Dropbox is a cloud-based service that can safely and securely backup your TntConnect database to the cloud so that your database is safe in case your laptop is lost, stolen or damaged.

You can sign up for Dropbox for free here (and get 2GB of free storage).  Dropbox works with both Macs and PCs.  Dropbox can also help you synchronize your database between computers.

Once you have Dropbox installed, under the "File" menu, click on "Resolve Dropbox Conflicts" and TntConnect will help you move your database to your Dropbox folder.

Recent Comments

By: Mariaa Posted on 6 Nov 2019 1:19 AM

Hi Troy! Bryant from Laboure had me reachout. I keep getting an error saying my database is damaged and tried the above and it is not working. Plpease advise.

By: Troy Wolbrink Posted on 27 Nov 2019 11:14 PM

You don't have a backup?  There's really not much I can offer.  There are some Access database recovery services out there and they might be able to help you get *some* of your data back.  Contact me directly ( and I can help you further.

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