Change MS Outlook OST file to PST

There are numerous reasons due to which you need to convert an OST to PST file. Some of the major reasons for OST file conversion are mentioned below-

  • Outlook doesn't have option to import the OST file, hence, you need to convert it to PST file before importing.
  • You can’t move OST file to another Outlook account as it is created by Exchange Server. Therefore, for transferring OST to another Outlook account, you have to convert.
  • Microsoft Outlook crash may lead to OST file corruption, in such cases convert your OST file to PST for accessing emails and other Outlook attributes from it.
  • If Exchange Server mail box associated with OST file gets deleted, then OST file becomes orphan. In such cases, you need to convert it to PST.

Methods to Change OST to PST:

Manual Method: You can convert your OST to PST file using manual method. To do that, follow the steps mentioned below-

  • Open Outlook and select File Tab
  • Choose Import and Export wizard from the pop up menu
  • Select Export to a File and hit Next button
  • In the next window, select Outlook Data File(.pst) and once again press Next button
  • Go to parent Root folder, select Include Sub Folders option
  • Next, select the target folder and hit Finish button

But, the disadvantage of this method is, it only works if you are connected to Exchange Server.

Tool to change Outlook OST to PST: Yodot OST to PST Converter

You can convert Outlook OST file to PST file using Yodot OST to PST Converter. This application can be used to convert invalid OST file that is corrupted or orphaned for any reason. You can also change healthy OST to PST file using this software. It converts Outlook OST file to PST and automatically recovers all mailbox items, calendar elements, contact list, notes, tasks, journals and many more Outlook attributes. It also supports conversion of unreadable OST file to PST file on Microsoft Exchange Server 5.0, 5.5, 2000, 2003, 2007 and 2010 versions. You can execute Outlook OST to PST file conversion process on Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows Server 2003 and Windows Server 2008 operating systems.

Guide on How to Change Outlook OST to PST file:


Download and install Yodot OST to PST Converter tool on Windows computer. Upon completion of installation process, you can view shortcut icon on Windows desktop. Click on shortcut icon for launching the application and follow instructions that are available on every screen.

  • From the main screen, click on “Open OST File” option if you know the location of OST file or else select “Find OST File” to search the OST file
  • Once Outlook OST file is selected, in the next screen specify the destination path to store your converted OST file i.e. PST
  • Then hit on “Convert” button and wait for repair process to get completed
  • Once OST file conversion gets over, a notification is displayed stating that the conversion process is completed successfully

Tips to be considered:

  • Maintain good power backup while working on Outlook OST file or while OST file is syncing with Exchange Server
  • Use good antivirus protection on Windows PC to avoid suspicious viruses infection on OST file
  • Keep backup of Outlook OST file to overcome OST file corruption issues