How to Export OST to PST in Outlook 2016

If you are having any kind of problem in exporting OST to PST in Outlook 2016, then on this blog you can find the most suitable solution to successfully achieve the goal. This blog also provides necessary steps to export corrupt and damaged OST files that are inaccessible in MS Outlook. No matter how corrupted OST files are, you can easily recover the entire set of offline emails and also export them to PST file format.


Microsoft Outlook uses two different types of files format to store its data – OST file format (which is also known as Offline Storage Table) and other one is PST file format (it is also known as Personal Storage Table). PST file contains copies of messages, calendars, events, and other items of Outlook which are stored on the system hard disk. On the other hand, OST file is a exact replica of Exchange Server data and store a synchronized copy of your mailbox information on your local computer. It is preserved to store Exchange data for offline use. The OST file allows users to access data in Outlook in offline mode. However, there are certain conditions under which users convert the OST file to PST file. We are listing some situations when you need to export OST to PST in Outlook.


  • Users may need to export their OST files to PST, in case their Exchange Server got crashed due to corruption or any other reason.
  • If users Exchange Server is under the maintenance then user must require OST to PST conversion.
  • User may export OST files to PST to get back all their accidently deleted or lost Exchange data.

Any damage done to Exchange Server, whether it's corruption, inaccessibility, accidental deletion of data, etc., it does not harm the OST file contents, since at this point the connection to Exchange is also broken. So, it can lead users to export OST to PST file to directly access the Exchange mailbox data in the Outlook application i.e. without server connection.

We can use various manual methods available online for free to export OST in Outlook to PST, but the manual solution is not as easy as it looks. And manual methods have many drawbacks, some of which we have listed here. Look here:

Limitations of Manual Methods:

  • Users with basic or no technical knowledge may not be able to export OST to a PST file in Outlook successfully.
  • If you have a huge amount of data, there may be a problem with the manual process.
  • The manual method does not guarantee to maintain the structure of exported OST data.
  • The manual process to export OST to PST in Outlook is very complex and time-consuming.
  • All manual methods involve high risk of data loss, so it can be used with full attention.

These are some of the issues that you may encounter while running OST to PST manually. The user can avoid all these issues by considering a third party or professional tool.

Steps to Export OST to PST file in Outlook 2016

Step 1: Launch OST to PST Converter Software on windows operating system


Step 2: Click on Add file/Add folder and select the files which you want to export


Step 3: After adding the file click on ‘Start Scan’. Now you can take detailed Preview of the added files


Step 4: Next in ‘Save destination path’ add Location where the files are to be saved and after that choose PST format in the Save Option.


Step 5: If you want to export your OST file to Office 365 / Live Exchange Server, choose Office 365 option on the tab above, then choose one of the two options, add User ID and password and click ‘Connect’.


Step 6: Finally your files will be exported to PST file format in few moments. And show a message as shown below.


Steps to Export OST to PST file in Outlook 2016

  • If a user only wants to export certain OST file items like email, contacts, tasks, calendar, etc. to PST file format, this utility plays an important role to do it safely.
  • Exporting OST files to PST format is easy. Learning the functions of the software doesn't take long time.
  • OST to PST Converter will keep the data in as it is form during the full conversion. It is a stand-alone program that does not require any other program to be supported to export OST data to PST format.
  • OST to PST Converter free trial version is available to try it today to check the efficiency of the program.
  • Users can export the OST data of any size to PST file format. In addition to this, you can handle the huge mailbox without any possibility of corruption.