Convert OST File To PST without any software

Do you want to convert your OST file to PST file format in Microsoft outlook? If yes then this post is especially for you. In this post, you will get step by step guide using which you will manually convert OST file format to PST file format easily in 3 different ways.

How to Convert OST file to PST file?

To convert OST to PST we will be using Microsoft Outlook and it’s featured. You can use any of the described methods whichever you suit easy and best for you.

Convert OST to PST using Import and Export method

Step-1: In the first step launch Microsoft Outlook (which is inbuilt in Windows OS)

Step-2: Now on the Top Left side you can See “FILE” menu option. Just click on the FILE menu and then select “Import and Export” option.

Convert OST to PST

Step-3: Now once you select “Import and Export” option a new dialogue box will open and in that dialogue box click on “Export to a file” option and then click NEXT tab.

Convert OST to PST


Step-4: Now we have to select a file format in the next dialogue box. Select “Outlook Data File(.pst)” option from the list and then click on NEXT.

Convert OST to PST

Step-5: Now select the mailbox folder to export from. You may also include the subfolders.

Convert OST to PST

Step-6: Now Browse and select the target folder where you want to save the new PST file and click the Finish button to complete the file conversion.

Convert OST to PST

Convert OST to PST using Drag and Drop method

This is a 2 step method in which we will be using drag and drop feature of Microsoft outlook

Step 1: In the first step open Microsoft Outlook, then create a new PST file in Outlook profile.

Step 2: After that select and drag all the mailbox folders you want to move into the PST file, created newly.

By drag and drop OST file to PST outlook profile it will convert your OST file to PSD. isn’t it simple? Yes, it is.

Convert OST to PST using the Archive feature

Step-1: First step is to open Microsoft outlook application on your computer

Step-2: Now go to File, and click Options

Convert OST to PST

Step-3: Go to Advanced and click Auto Archive Settings.

Convert OST to PST

Step-4: Next step is to select the number of days in which you want to run auto archiving. Select the folder to save the archived file and provide the archiving options and then click on the OK button to finish the process.


As you can see we haven’t used any software to convert OST to PST format but if you wish you can use software which is available in the market. These all methods are manually tested and working fine, let me know if you are facing any issue in any method listed above. I will try my best to solve and also let me know if you know any other method in the comment section.

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About the Author: Bhavya

Hey, This is Bhavya. A Technology Lover and Learner. By Education, I am an Engineer and by Profession a Web Entrepreneur. I am not a Pro nor expert. The only aim of my life is to Learn as much as possible every day and share with all of you via TECHCORTEX.


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