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A Fast and Glorious Way to Export Offline OST Emails to PST Format

Oct 10th 2015 at 4:53 AM

OST stands for Offline Storage Table in Microsoft Outlook configured with Exchange Server. The creation of OST files enables users to work offline with Server or in cache enabled mode. All the activities performed on OST files can later be synchronized with the server. OST files are the exact replica of the mailboxes that resides at the server end. OST file contains emails, attachments, calendars, contacts, tasks, journals, etc. from the user mailbox. OST is not a portable file format, it cannot be accessed outside Outlook, which is configured with corresponding mailbox. So exporting OST emails to PST formats allows users to access emails outside the Exchange environment.

Need to Export OST Emails to PST

There can be certain occasions were Emails in PST format will be helpful than in OST format. let’s see some of the situation where we prefer OST to PST conversion.

Corrupted OST :
Sometimes, OST files may not be accessible to Outlook users. It may prompt certain error messages while accessing the emails. These can happen due to any type of corruption on OST files. Some of the common corruption issues are virus attack, abnormal shutdown of the system, synchronization error, etc. Exporting OST emails to PST can be carried out in order to overcome this situation.

Account Deleted OST files :
OST emails can only be accessed only in the Outlook account that is synchronized with corresponding mailbox in the server. The account deletion deleted OST files are of no use. It cannot be accessed in any other account. In order to tackle this situation user may convert the Emails from OST format to PST. So that the emails are accessible across various accounts.

Orphaned OST Emails :
As the name indicates orphaned OST emails are those OST files that does not possess a parent mailbox at the server end. This can happen if the mailboxes are accidently or intentionally deleted from the server. The EDB mailbox corruption also leads to orphaned OST. In this case also OST to PST conversion will be feasible solution to access emails from orphaned OST files.

How to Export OST Emails to PST?

User can manually export OST emails to PST format or by using any third party applications. Let’s first see how the manual procedure works. The two manual procedures are described below.

Archive OST in PST format : MS Outlook provides an option to archive OST emails in PST format. Archiving is the process of transferring emails to safer place as backup. Here, indirectly we get an PST file out of OST.

Export Emails to PST : We can make use of the export option of Outlook to convert OST emails to PST format. User can select the import/export option from file menu and choose export to Outlook data files to perform migration of emails to PST.

The above described works only if the OST files are in healthy condition so that users can open OST email in Outlook to perform archiving or exporting. The mailboxes exist in the servers so that the OST files are not orphaned. These methods cannot be counted as a practicable solution to export OST emails as PST in all cases.

Third-Party Solution

The manual procedures described above cannot used to export OST to PST in all situations. Take the help of OST recovery tool, a smart solution to recover and export OST emails to PST format. This application allows users to export multiple OST files to PST in batches. Also, capable to fix all kinds of errors that occurs while accessing the OST emails. This is a simple tool that anyone can use without any prior knowledge.


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Please to comment
Aug 8th 2016 at 10:58 PM by reginacarrs
Easily convert all .ost to .pst files this software can deeply scans the corruption then recovers all damages/corrupted and inaccessible Ost file into PST file format that can be read in Microsoft Outlook (online information). See at:
Dec 28th 2015 at 10:50 PM by RamonJohnson
Best solution to recover and convert corrupt OST file into PST file by taking OST to PST converter Software. Read more :-
Nov 18th 2015 at 8:53 PM by patriciaguzmans
Use software which can easily smoothly recover OST file and convert outlook OST to PST file with zip attachments, embedded images, journals, task, calendars, notes and appointments etc. It has the facility to split a large recovered PST file into small multiple PST files (1GB – 5GB).

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