Why you must think about performing OST to PST migration?

Tuesday Feb 5, 2013

OST file is copy of the Exchange Server mailbox in the client desktop. It is generated when MS Outlook fails to connect with Exchange Server. OST file store all emails sent or received by the Outlook user during offline period. Changes in OST file are transferred to the Exchange Server after connection between Outlook and mail server is restored. However, delay in link between Exchange Server and MS Outlook locks the OST file and halts the transfer of OST data to the Exchange Server.

Causes of OST file corruption

OST file enables Outlook user to use their mailbox in offline period. However, OST file develop corruption issues due to one or several factors. There are various causes of OST file corruption, some of which are mentioned below:

  • Accidental deletion of the Exchange mailbox

  • Corrupt hard disk

  • Crash of Exchange Server

  • Fault in networking cable and many more

  • Oversized OST file

Situation gets trickier when corrupt or non-synchronized OST files start showing different error messages like:

Performing OST file recovery Operation manually

You can recover Exchange mailbox from corrupt OST file either from a Backup file or using scanost.exe utility of MS Outlook. In case you’ve lost Outlook.OST file due to synchronization errors, then follow the steps mentioned below:

  • Click Start>Run

  • In the command box, type NTbackup.exe and press ok

  • Click “Next” and select “Restore files and settings”

  • Press “Next” and Click on Browse to select the backup file in your system

  • Double click on selected file and press finish to restore Outlook.OST file

  • Go to the default location of Outlook data files and replace corrupt Outlook.OST with new file

Usage of OST to PST conversion tool

However, manual option of OST file recovery fails in case OST file is highly corrupt or damaged and this is where you need to look for performing OST to PST conversion. You must take the help of an external email recovery tool to convert inaccessible OST file into working PST file of MS Outlook.

OST to PST conversion has following benefits:

  • It stores OST data into MS Outlook PST file, which is unaffected with the Exchange Server crash or other issues

  • Converted file can be easily exported to Exchange Server by the user

  • User can access lost OST data in PST file format

This OST to PST conversion helps you to get all the necessary data residing inside the OST files. The files are then easily accessed using Outlook application. Best highlight of conducting such conversion is it allows you to use these PST files and perform other necessary email operations that may have got obstructed due to OST file corruption. The tool helps you to avoid and deal with corruption error that you usually face when OST file gets corrupt. The OST to PST conversion tool allows you to quickly retrieve Exchange mailbox items such as inbox, emails, sent items, deleted items and others from corrupt OST file and export it to PST file format of MS Outlook.

Summary:

OST file gets damaged due to crash of Exchange Server, MS Outlook, Virus attacks and various other reasons. You can easily restore OST file from a backup file or with the help of scanost.exe utility of MS Outlook. However, major corruption issues of OST file cannot be fixed manually and so OST to PST conversion is the only way to repair highly corrupt OST files. OST file recovery software recovers mailbox data from corrupt OST file and saves in PST file format.

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