Several times, users require to convert OST files to PST files because of multiple reasons. If you are also one of them then get a quick solution for doing this task with this article. Here we will provide the answer to your query “How to change Outlook OST file to PST file?”
There are multiple users in this world who wants to convert a file type into a different file type. One of the most common file conversion jobs that a large number of users want to do is “OST to PST Conversion”.
What are OST and PST files?
OST and PST both are the file formats that MS Outlook uses to store users’ mailboxes locally, but these are different from each other: –
OST: – “Offline storage table (OST)” is the file type that Outlook uses to save the copy of the mailbox that is available on the server. Outlook uses OST files to build a connection between the user’s profile and the Mail server. The modifications that users have made in the Outlook profile or mail server, the changes will be shown in both places. In case, if Outlook loses the connection with the mail server, in that situation OST files become inaccessible in MS Outlook.
PST (Personal Storage Table): – This is another file type that Outlook uses to store user’s profile data. This file works as a backup or archive of Outlook profile data. It supports preserving all user’s profile data including- emails, contact, calendar, and other elements.
Also Read: – How to Export Offline OST to PST files in Outlook?
Why Convert OST to PST files?
You might need to change Outlook OST file to PST files for the following reasons: –
- Data Migration and Backup: PST files are more convenient to take backup of crucial mailbox data and to move data to a new computer or email client.
- Data recovery: Converting your OST file to a PST file will help you retrieve important data in the situation of the Exchange server/mail server crash or OST file corruption.
- Changing Email Accounts: Converting OST to PST helps users to move their old mailbox data to a new email account or provider.
- Size Management: To effectively control mailbox size and prevent performance issues in Outlook, users can easily split PST files into smaller files.
Best Methods to change Outlook OST file to PST file
There are multiple methods available to change Outlook OST file to PST files. Here we have shown the two best methods for this securely accomplishing this conversion: –
- Manual Method (Using Outlook): – This method involves using Microsoft Outlook’s built-in Import and Export functionality. Also, users have to make sure that their OST file is in a healthy state and accessible in Outlook.
- OST to PST Conversion Software: This method doesn’t need Outlook and also it can convert all types of OST files including encrypted/ orphaned and corrupt OST files. This OST Converter tool offers more advanced features, and better error handling, and assists you in performing the instant conversion.
Method 1: – Manual Method to Change OST to PST
- Launch Microsoft Outlook on your system.
- Click on the “File” tab that appears in the top-left corner of the Outlook window.
- Select “Open & Export” from the sidebar and then choose “Import/Export.”
- In the Import and Export Wizard, select “Export to a file” and click on “Next.”
- Choose “Outlook Data File (.pst)” and click on “Next.”
- Select the OST file you want to convert to a PST file by clicking on the appropriate account (profile) name.
- Check the “Include subfolders” option to include all folders within the OST file.
- Click on “Next” and choose the destination location where you want to save the resultant PST file.
- Click the “Finish” button to start the conversion process.
Start the process of exporting OST file data to PST file. The time taken will depend on the size of the OST file. Once the process is complete, you’ll get a PST file containing your OST file’s mailbox data.
Method 2: – Automatic Method to Change OST to PST
A third-party software called eSoftTools OST to PST Converter software is the best utility which is intended to make it easier to change OST (Offline Storage Table) files to PST (Personal Storage Table) files.
With this utility, you can easily export data from orphaned, encrypted, or corrupt OST files to PST files. It has the ability to change Outlook OST file to PST in batch mode. Convert multiple OST files to PST and a number of other file formats all at once.
How to use eSoftTools OST to PST Converter Software?
Apply the following steps on your computer by downloading, and using OST to PST Converter tool:
- Launch the OST to PST converter, and press the Select OST button.

- Select the “Single OST conversion” or “Bulk OST conversion mode” and click “Next“.
- Add Offline OST files, press the Start Scanning button, and then load all mailbox folders and data.

- Choose the necessary mailbox folders and get a preview of all the OST files’ mailbox items.

- Click the Save OST button from the top navigation bar after choosing the required folder.

- From the list of conversion choices, pick the Export to PST option. (Use the split PST option, if needed).

- Choose a location to save the generated PST and select the mail filter feature.
- Finally, press the Convert button to begin the process of changing Outlook Offline OST files to PST.

Conclusion
A useful method for effectively managing Outlook mailbox data that is available in OST files is OST to PST Conversion. Changing OST to PST will help you to control the size, migrate, recover, and backup data from OST files. With the method shown above users can simply change OST to PST files. Users can try both manual methods and automatic software, but for instant results with fewer efforts, the suggestion is to use eSoftTools OST to PST converter software. Try this tool with its demo edition now.