Convert OST to PST for Outlook 2019, 2016, 2013 Free & Paid Tools

Anuraag Singh | Last Modified: July 21st, 2021 | Conversion, Outlook


In this article, I will explain the simple and verified solutions to convert OST to PST format. To complete this task you can opt either  Manual Method or experts suggested Software. Both the methods have their own pros and cons.

Microsoft Outlook is famous among users because it allows them to work even in offline mode. Now, it is possible only because of the OST file or Offline Storage Table of Microsoft Outlook. It maintains the mirror image of all Exchange Mailbox data on the local machine.

So, whenever a user works in an offline mode, it gets saved in the OST file. And, when the connection is established again with Exchange Server, all changes made in offline mode get updated automatically to the Exchange server mailbox.

Automated Solution to Convert OST to PST File

Try automated software OST to PST Converter to convert multiple OST Files to PST, EML, MSG, Office 365, and Exchange. Download the utility in a hassle freeway.

Free Download
100% Secure

  • Step 1: – Download Software and Install
  • Step 2: – Browse OST File and Preview Complete data
  • Step 3: – Apply Advance Features (Split PST, Date Filter, Category)
  • Step 4: – Select PST and click the Export button

As the OST file resides on the local machine so, it is unaffected by any Exchange Server crashes or mailbox deletion. Therefore, a user can take the help of the OST file to restore Exchange mailbox data in case of any miss-happening. Many users out there are looking for a solution to convert OST to PST for free.

It is because there is one major disadvantage of OST, it cannot be imported into any other Outlook account. It means the OST file is bounded to the account that has created it.

convert ost to pst manually

This is one of the major reasons behind OST to PST Conversion. Unlike the OST file, the PST file stores complete mailbox data and can easily import/ export from any Outlook account. Now, to know how to convert OST to PST Manually let us go through this blog below.

But it is recommended that before performing manual free steps to convert OST to PST. First, take the latest backup of your OST file. Because the Free solution can make the situation worse and you may lose emails permanently. Move directly on steps to convert OST to PST without Outlook.

When It is Necessary to Convert OST to PST File?

When users start searching for a solution to convert OST to PST for free, it is clear that they must have come across any of the below-mentioned situations:

  • If your Exchange mailboxes get deleted from the server, then OST to PST conversion is required to access the mailbox data.
  • If you are looking for a solution to backup Exchange mailbox data
    A user wants to recreate the OST file, but there are some unsaved data in the OST file.
  • A user is unable to access the EDB file because of Exchange Server corruption and needs to access emails on an urgent basis.
  • If you have switched the workplace and want to access the old OST file in the new office also.

Solutions to Convert OST to PST File Hassle-Free Way

The free method is available to convert OST to PST file format. But, the expert suggests that if you are a novice to this then don’t use the manual method to convert the OST file to PST for Microsoft Outlook.

In this post, I will explain the free manual solution and professional software which helps you to convert OST to PST Without Outlook. In order to know all of them, go through the section below:

  1. Know-How to Convert OST to PST Manually
  2. Use Archiving Solution to Convert OST to PST for Free
  3. Know how to Convert OST to PST Without Outlook
  4. Convert OST to PST For Free – Only for Technical Users

Note:  – I tested all three solutions in my environment. Finally, I realized the third solution is best to convert OST to PST without Outlook. Because the utility is digitally signed and secure to use.

Solution 1: Convert OST to PST for Free Manually

  1. First of all, log into Outlook via an Exchange mailbox account, which was used to create the OST file.
  2. After that, you need to navigate to Files >> Open & Export >> Import & Export option.
  3. Then, choose the Export to a file option and click on the Next button to proceed further.
  4. Now, choose the Outlook Data File (.pst) from the next window and click the Next button.
  5. Next, you need to choose the folder that you want to export and again click on the Next.
  6. Here, you have to select the destination location by clicking on the Browse button. Select any desired option related to duplicate items.

Suggestion: You will get an optional choice to protect your PST file with a password. But it all depends on your choice and you can skip it also.

Method 2: ‘Archiving’ Feature to Convert OST to PST for Free

As you enabled the archiving feature in Outlook, all emails from the OST file will get saved in a separate PST file. In addition, it is helpful in maintaining mailbox size also in control by moving older items in the archived folder.

Now, to create a mailbox archive, follow the steps mentioned below:

  1. Open the Microsoft Outlook application and click on the File >> Options.
  2. After that, click on the Advanced option and choose the Auto Archive Settings option.
  3. Here, you have to choose the number of days in which you want to run the auto-archiving. Choose the folder in which you want to save the archived PST file and define the archiving option. Then, click on the OK button.

Method 3: – Convert OST to PST Without Outlook – A Professional Way

The above-discussed methods are not foolproof solutions to perform OST to PST Conversion in a secure way. The free methods have some limitations like it requires a connection with Exchange Server. In the case of the orphan OST file, you cannot convert .ost to .pst file type.

Thus, to avoid all such situations, take the help of SysTools OST to PST Converter. It is one of the best utilities that is widely used by users as it converts inaccessible or orphan OST files to PST format. There will be no loss of data rather it export permanently deleted data from the OST file.

The application is supported by all versions of MS Windows OS and Microsoft Outlook.

Steps to Convert OST to PST file Without Outlook

Step 1: – Download, Install and Run OST to PST Converter application on your local machine. Convert OST to PST Free

Step 2: – After that, click on the Add File button to the upload OST file in the application.

software screen


Step 3: – Now, either choose Select File to browse OST file manually or Search File option to let software look for the OST file in your system drives.

select OST File


Step 4: – When the OST file is added successfully, click on Remove Encryption option to remove Open PGP or SMIME encryption from the OST file. Depending on the level of corruption, choose either Quick Scan Mode or Advance Scan Mode.

scan OST file


Step 5: – As the scanning process is completed successfully, a preview of OST file emails is provided by the software.

free methods


Step 6: – After that, you need to click on the Export button to convert OST file into PST format without using Outlook.

export options


Step 7: – Now select the PST radio button and click on Export. Now the software starts converting the OST file into PST format. Simply wait till it completes to 100%.

select PST option


Step 8: – Go to the location where you saved the output file. View the PST file. Now you can import this file into Microsoft Outlook 2019, 2016, 2013, 2010, 2007, etc., versions.

save exported PST file


Method 4: – OST to PST Conversion Guide for Technically Sound Users

If you are technically sound, then you can follow the below-mentioned steps. You can perform these steps from the orphan OST file too. You do not need to use expensive tools to complete the conversion tasks.

Requirements: – Only Microsoft Outlook and technical knowledge

Required Time to Complete This Task: 8 Min. Only

Step 1: – Launch Microsoft Outlook on your system and disable the Automatic Send/Receive option.

Step 2: – Now create a new mailbox, it will result in a .ost file at the default location. After that close the Outlook application.

Step 3: – Now copy your original OST file (which you want to convert in PST format) and paste adjacent to the newly created OST.

Step 4: – Rename your Original OST file as the newly created OST file and replace it.

Step 5: – Again launch Outlook and click on File from the menu bar and select the Import/Export option.

Step 6: – Follow the GUI steps and at last you will get a PST file. Your task to convert OST to PST for free has been completed.

How to Convert OST to PST Manually – User’s Queries!

Here I am going to list some user’s queries. Which is taken from multiple forum sites. Simply read the queries and understand the requirement of converting OST to PST manually.

“Hello Experts, My name is Mack John and I am using Outlook 2013 in the office which is connected to Microsoft Exchange Server. But we stop using the Exchange server. I want to use all my old emails without an Exchange server. So, I want to know how do I convert OST to PST for free? Please guide me soon.”

“Hello friends, I have orphan OST file which I want to convert in PST file type. Is it possible to convert OST to PST without Outlook installation on same machine? If YES, then please suggest me steps.”

“Hello everyone, I am in urgent need to convert Exchange OST to PST file format. Please suggest me a professional way to convert OST files into Outlook supported PST file. I tried OST to PST converter crack but it did not work for me.”

“I am looking for 100% free OST to PST Converter. Is it really available in the market? I searched on Internet but nothing found for free. I tried manual methods to convert OST in PST. But I am not able to do so. Please suggest me a perfect way which truly free.”

“Please share tally free OST to PST converter software here. I don’t want to invest my money to buy full software. I am really in urgent need to use 100% free solution. Please don’t share creak or free serial key.”

“The manual way completely destroyed the formatting of message after converting OST in PST. If any totally free OST to PST converter available in market please drop link here. Please avoid to share virus affected crack tools.”

“Hello everyone. Please share your completely free OST to PST converter software link here. I will use it in my environment and check all features. After that I will write all features from my side and share on my blog with expert comment link. Note: – crack, free key stay away! Only real one accepted” 

Summing Up

Yes, you can convert OST to PST for free by using the manual solution, but all of them are not guaranteed solutions and has some limitations also. Therefore, for the one-stop solution in all scenarios, you can take the help of 100% secure SysTools OST to PST Converter suggested above to receive desired results. It will help you to convert OST to PST without Outlook on your system.

How Can I Perform OST to PST Conversion – Users FAQ

Can I Convert OST File to PST Format Without Outlook?

Yes, For this you have to use SysTools OST to PST converter software. You can download the free version of the software from the above download button.

Is it Possible to Export Outlook OST File to PST format Without Exchange Server?

Yes, it is possible to export an orphan OST file to PST format. But it cannot be done manually. For this, you have to use the OST to PST converter software. The software is compatible with Windows 10, 8.1, 8, 7, and below versions. Simply download and install the tool on your system and complete the conversion process in easy steps.

After OST to PST Conversion, Can I use the PST file in Outlook 2019?

Yes, once the conversion process is completed. You can easily use the resultant PST file in Microsoft Outlook 2019, 2016, 2013, 2010, 2007, etc., versions. If you are converting OST to PST manually then there might be some difficulties accessing the output file in all versions of Outlook.

Which is the best way to Convert OST to PST format, Software, or Manual Methods?

For OST to PST conversion, experts suggest using trusted and secure software. Because the manual (Free) solutions may lead you in the worst situation and you may be lost OST file data permanently. Also, don’t use the crack software for the conversion.