How To Convert OST File Into PST!

Automated Solution

In this write-up, we are going to discuss two effective workarounds to convert OST files into PST. Just read the complete blog and execute the steps. Users can use converted Outlook PST files in any edition of MS Outlook.

Microsoft Outlook is an email application, widely used in offices for communication purposes and business organizations. Most of the users configure their account with an MS-exchange server which works in synchronization and saves data in OST file format. The offline storage table contains data offline on a storage device.

When a user logs in with the IMAP account, all-time data is synchronized and downloaded to the computer in the OST file format. This assists to keep data up to date in the mailbox with new emails, reports, meeting requests, etc.

Occasionally when the User generates an account with IMAP configuration, then it also works as a web server-based application and stores synchronizing data in (.ost) format.

Though, there are several circumstances when these files become inaccessible. To manage the situation, you require to convert the OST file into another file format i.e. PST. So that data can simply be accessed in offline mode. In the below segment, I am explaining 2 methods to export OST files to PST in outlook 2010.

Reasons behind Convert OST File into OST File

There are multiple situations when users require to export an exchange IMAP .ost to .pst, few main reasons are mentioned below:-

  1. When some exchange mailbox gets deleted from the server
  2. An exchange user wants to rebuild his OST file, but few unsaved data in the OST file.
  3. When they want to back up some exchange mailboxes, OST files are inaccessible because of exchange corruption, or maybe the server crashed and you want your emails urgently.

Four Workarounds to Convert OST to PST for Free

There are multiple free methods for exporting from OST to PST, but all need access to the Outlook profile. It is due to the OST file can only be opened with the same profile.

Outlook Import and Export Wizard to Export OST to PST

  • Go to the MS Outlook application.
  • Select “Import & Export” from the “File” menu.
  • In the following window, choose “Export to a file” and then hit “Next.”
  • Now, choose Outlook data file (.PST) and press “Next.”
  • Select the mailbox folder from which to export. Users have the option of including subfolders.
  • Navigate to the folder where users want to save the PST file, then hit on “Finish.”

Note: Users must have an Exchange server assembly and MS Outlook installed on your local PC to use this method.

Convert OST Mailbox to PST with Outlook Archive Method

  1. Launch the MS Outlook application.
  2. Choose “File” and then “Archive.”
  3. Choose the file/folder to archive and navigate where the archived file will be saved.
  4. Hit on the Finish button.

Note: Users can transfer all OST data except contacts using the archive method.

Export OST File to PST using Outlook Drag and Drop

  • Open the MS Outlook application.
  • In your Outlook Profile, generate a new PST file.
  • Choose and drag all of the mailbox folders to the new PST file.

Note:- Please keep in mind that you cannot drag items from the default folders like Inbox, Contacts, and so on into a PST file.

Convert OST to PST using Trusted Software

OST to PST converter is one of the best third-party tools which makes this task simple and facilitates a user. It completes the process of conversion by following a few simple steps without losing any data.

It application export OST mailboxes to PST equivalent file format. Also allows us to restore, back up, and extract all items of offline OST files.

It also has the best features to export OST files into different file formats such as PST, HTML, MSG, EML, MBOX, EML, NSF, PDF, and so on.

Steps to Export OST Files to PST without Outlook

Follow these easy steps to export emails from OST file into PST file format without MS Outlook by using the OST to PST converter tool.

  1. Download and launch the tool on your computer to start the conversion of OST to PST format.
  2. Simply Add Files and preview OST restored files into the application.
  3. To export hit on the radio button to PST and continue.
  4. Navigate the destination to save exported PST on your computer.


Free methods help to convert OST files into PST but have few limits. Users can convert OST to PST manually if their computer is having MS Outlook configured with Exchange Server. These methods generally take longer processes.

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