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Need to recover corrupt Outlook pst/ost file


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#1 m.hoyer

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Posted 24 March 2017 - 10:50 AM

My Outlook .ost/.pst file has been corrupted recently and I really need to recover it, if I can.  Looking for suggestions on recovery software/procedures.   Thanks to all!



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#2 britechguy

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Posted 24 March 2017 - 10:56 AM

How recently and do you take backups?

 

If you take backups it's probably best to recover the uncorrupted version from a backup and then allow your messages since that time to download again (presuming IMAP access).


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#3 m.hoyer

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Posted 24 March 2017 - 11:02 AM

I had a fairly recent back up, but that seems to have been corrupted, as well.  It really is quite frustrating!  Outlook tells me that the file from which I'm trying to restore is not an Outlook file.



#4 hamluis

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Posted 24 March 2017 - 11:51 AM

Well...it cannot be a corrupt Outlook file...and not be an Outlook file.

 

What is rthe exact wording on the error messages you have received?

 

Louis



#5 m.hoyer

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Posted 27 March 2017 - 12:20 PM

 C:\User\User\AppData\Local\Microsoft\Outlook\m.hoyer@wippell.com.bak.pst is not an Outlook data file (.pst).



#6 DelPomerinke

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Posted 09 August 2017 - 02:51 PM

ost Files are copies of an Exchange mailbox when Outlook runs in cache mode.   You can access the OST without an Exchange server in offline mode and with the OST to see a point time cached copy of the Exchange mailbox.   Both OST and PST are not accessible to other applications /viewers or Backup programs while the Outlook application is open and the OST/PST is mounted.        Laptop users often have Outlook running in cache/OST mode this way they can see their inbox while traveling or on a plane.

 

To get a good BU of a PST or OST , The Outlook application must be shutdown.



#7 dropbear

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Posted 29 August 2017 - 03:33 AM

is it really a .bak.pst extension?

make sure you have the Folder Options settings to not Hide extension of known file types.

then you'll see if it really ends in .PST

 

if so try the MS provided SCANPST.EXE program you'll find in the Office Program Files folder.


Edited by dropbear, 29 August 2017 - 03:33 AM.

Instead of reading this, why not do a backup of your PC.

You won't regret it.





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