Convert Outlook OST to PST

How to Convert Outlook OST to PST?

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MS Outlook provides multiple amazing features to make the process of sending and receiving emails simple and fast. It stores the data in two different file formats such as OST and PST. When the user works in the offline mode then all its data gets stored in the OST file. And to access the data stored in the OST file for this users need to convert OST file to PST file. And at this stage sometimes the user is not able to make the conversion of the OST file.

In this blog, we will give you some best methods which are very helpful to convert Outlook OST to PST. After making the successful conversion you can easily access the data stored in the OST file.

Best Solution


  • Try this SysInspire OST to PST Converter software to outlook convert OST to PST without having any skills of the software.

Why you need to Convert OST File to PST?

So here we listed most common reasons to convert OST to PST format which are:-

  • Corruption in the Exchange Server due to server crash, virus attack or power outage
  • Prefer to take the backup of Exchange mailboxes
  • Deletion of some Exchange mailboxes from the server
  • Exchange Server maintenance

Methods to Convert OST to PST Manually

Here we listed two manual methods to export OST to PST. And it is highly recommended to take the backup of the data before starting the process because their is high chance of data loss in these manual methods.

Method 1:- Import and Export Wizard

To Convert Outlook OST to PST firstly login into Outlook with the same account of Exchange Server used to create OST file.

  • Open MS Outlook of any version
  • Go under the file menu and click open & export option > Import/Export option
Import & Export to convert ost file
  • Under import & export wizard choose to export to a file option and click next to move further
Select Export to a file
  • Now you will see a window where you had to choose an Outlook data file.PST option
Select PST file
  • Then you can select the mailbox items that you like to export
Select the folder to convert OST to PST
  • Now you just only need to select the location of the converted PST file by clicking on the browse button

Method 2:- Archive Method

This method helps you to save the items of OST file in working PST format. Follow each step carefully:-

  • Start the MS Outlook on your machine
  • Click on advanced from the available options and tap on AutoArchive settings
Auto Archive Settings
  • Now select the number of days for auto-archive. Browse the location where you want to save the archived file and tap ok
Select the folder to save the archived file
  • So now all the items of the OST file will get saved in the PST format

But these two methods have many limitations and does not guarantee to keep the data integrity after making the conversion. Below are the limitations of these manual methods which are:-

  • Always needed a person to watch out the process
  • Does not guarantee to keep the structure of the folder
  • Take a lot of time to convert OST file
  • Outlook is to be connected with the Exchange Server

Related Post:- How to Open OST File Without Outlook

Convert OST file to PST using an Automated Solution

The SysInspire OST to PST Converter tool provides a free demo version to users for the satisfaction of the users. In the demo version, the user can convert 25 items of mailbox into PST format. The software not only export OST to PST but also provide unlimited recovery of unlimited OST file with all mailbox items.

Working of the Software:-

  • Download and open SysInspire OST to PST Converter
  • Select the OST file by clicking on the select file button
convert ost to pst
  • The software scans the file and fixes all their errors immediately to make it usable for the user
export ost file to pst
  • Now you had to select the mailbox items according to your need
export ost to pst
  • Select the conversion format of OST file and tap on convert
ost recovery

Wrap Up

So in last after discussing both manual and automated methods it can be easily seen that going with an automated solution will be the best choice. SysInspire OST to PST Converter software provides a better user-friendly interface to Convert Outlook OST to PST. And for the better and easy conversion of the OST file, it is better to go with the automated method.

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