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Converting MS Outlook .ost files to .pst files

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markfu14
(@markfu14)
Eminent Member
Joined: 20 years ago
Posts: 14
Topic starter  

I have been trying to locate a tool that doesn't cost $600, that is able to convert an .ost to a .pst. There is a program out there that is supposed to work called ost2pst, but it doesn't work with Outlook 2003 files.

Another option out there was to export the .ost file from my image, rename the file from outlook.ost to outlook.pst, use the scanpst program from an earlier version of outlook to scan the newly renamed file. After that, you rename the file back to outlook.ost and then try to use the ost2pst program to convert the ost. This does not work either.

I also tried the option of making Outlook run offline and replacing my personal outlook.ost file with the one that I exported from my image. And then opening Outlook in offline mode and that is supposed to work becuase it does not contact the server for authentication. This method does not work either.

Has anyone tried to convet the header of the .ost to match the header of a .pst. Not even sure if this will work….any ideas.


   
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(@mobileforensicswales)
Reputable Member
Joined: 17 years ago
Posts: 274
 

Have you got access to a copy of encase 6? I know its a little off the subject but you could view the contents of the ost that way


   
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datacarver
(@datacarver)
Estimable Member
Joined: 18 years ago
Posts: 121
 

Recover My Email-$99
Kernel Recovery for OST-$199
EnCase (As stated, you can view the contents of the OST, but can not export to PST)
Ontrack EasyRecovery EmailRepair-$279

Please note Converting o********t is a tricky business. Not all tools convert/recover in the same way and many will have different results. I plan on testing most of the common o********t software packages and writing it up. Stay tuned for that. I haven't used Kernel yet, but I think out of the rest of those listed, I like EasyRecovery the best, plus you can run conversion in batches.

I have been trying to locate a tool that doesn't cost $600, that is able to convert an .ost to a .pst. There is a program out there that is supposed to work called ost2pst, but it doesn't work with Outlook 2003 files.

Another option out there was to export the .ost file from my image, rename the file from outlook.ost to outlook.pst, use the scanpst program from an earlier version of outlook to scan the newly renamed file. After that, you rename the file back to outlook.ost and then try to use the ost2pst program to convert the ost. This does not work either.

I also tried the option of making Outlook run offline and replacing my personal outlook.ost file with the one that I exported from my image. And then opening Outlook in offline mode and that is supposed to work becuase it does not contact the server for authentication. This method does not work either.

Has anyone tried to convet the header of the .ost to match the header of a .pst. Not even sure if this will work….any ideas.


   
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(@davnads)
Eminent Member
Joined: 17 years ago
Posts: 41
 

easy recovery is the way to go


   
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(@jonathan)
Prominent Member
Joined: 20 years ago
Posts: 878
 

The OP is from 2005… I think zlatan24 may have an interest in the tool he recommends?


   
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(@missmari)
Active Member
Joined: 15 years ago
Posts: 15
 

I know this is an old post, but I wanted to update it in-case anybody else stumbles across it as I did while trying to convert .ost files to .pst.

I had the opportunity to try a few of the programs mentioned above and wanted to share my findings.

I tried the full version of Recover My Email ($99). This program brought all my dates over into the pst file as 7/10/2093. It did this on 4 diffrent .ost files.

I tried the demo version of Quick Recovery and Recover Data. They both choked on a 2GB .ost file so I did not try the full versions.

I tried the full version of Kernel for Ost($199). So far I am very pleased with this program. The dates came over correctly, and it seems to have 'recovered' more of the email information. There is an 'advanced' option in the full version which I have yet to try.

If you have any questions, please feel free to PM me.


   
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(@cults14)
Reputable Member
Joined: 17 years ago
Posts: 367
 

I used Kernel for a while, it was OK but didn't do a great job of translating email addresses for subsequent search by our tool or preference which is Sherpa's Discovery Attender for Exchange (DA)

However - version 3.6 of DA does a really good job of converting o********t so I now have effectively a free tool, given that we pay annual licence fees.

Regards


   
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kiashi
(@kiashi)
Trusted Member
Joined: 19 years ago
Posts: 99
 

Something I have noticed in the past, working with email files in different languages you quite often have to make sure you have the correct language packs installed and possibly operating (i.e. temporarily switching your regional settings and keyboard to Russian) in order to convert these files successfully. I have noticed this with Easy Recovery Pro, it may pick up the header but you may end up with a blank email body due to not recognising the character set/code page/language in use.

I have also noticed Discovery Attender automatically truncating a .pst at 2GB without warning and then once it gets past that point it empties and starts again. This means that if you are trying to put say 3GB of email in to one .pst you will actually end up with a 1GB file which represents the last 1GB of data it processed.

*Caveat* This was a couple of years ago that I was using DA so this may have improved


   
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(@cults14)
Reputable Member
Joined: 17 years ago
Posts: 367
 

kiashi wrote

I have also noticed Discovery Attender automatically truncating a .pst at 2GB

Yes DA has come on a lot in the past year or so, v3.6 is nice. Still slow due to no indexing, but a handy tool and I like the audit trail.

BTW - why would you want to put 3GB of mail into one PST? Various theories on the safe max size of PST files but none of them I've heard goes betond 2GB. DA has the option to specify a max size of PST when outputting to PST anyway, safest in my experience is to use just under 1GB, DA will assign sequential suffixes to PSTs of the same main name for ease of identification, and will also give you the audit trail you need in terms of what messages were copied to which PST

HTH


   
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(@douglasbrush)
Prominent Member
Joined: 16 years ago
Posts: 812
 

Give Paraben's tools a whirl. Been very happy with Email Examiner and its ability to in/out various formats. Right on line with other price point of other products.


   
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