How to Import PST to OST in Outlook 2003-2021?

Rollins Duke
Published: March 12th, 2024 • 6 Min Read

This informative blog post discloses manual tricks to import PST to OST in Outlook 2021, 2019, 2016, 2013, 2010, 2007, and 2003 versions. So, if you are looking for an excellent method for converting PST to OST format in Outlook, then, you can refer to this blog post and follow the expert guidelines to resolve your problem instantly.

Before importing PST to OST, you should know some points to avoid any confusion during the process.

There is no direct option available to import OST to Outlook, so users rarely convert PST to OST format.
Users can import PST to Outlook manually using an inbuilt Import/Export option, so most users convert OST files to PST.
If the OST file once disconnected from the configured profile, then there is no way to import orphan OST into Outlook.
If you have a desire to import PST to OST, then this is mandatory that your OST file be connected to your Outlook profile.

What Are Situations to Convert PST to OST File in Outlook?

Configuration Settings: If users configure a profile in Outlook using IMAP settings or sync an Exchange Server account with Outlook, then it creates an OST file. If they configure your email account using POP3 settings, then Outlook creates a PST file. Sometimes users want to import data from configured PST to configured OST.

Exported PST: Sometimes users export PST files from Outlook using an inbuilt Import/Export Wizard. After completing the export process, they may wish to import PST to OST in Outlook 2021, 2019, 2016, 2013, 2010, 2007, and 2003 accordingly.

Merge Data: Various working professionals wish to merge PST to OST which is configured and connected with the associated user account. Then users start searching for a robust solution for converting PST to OST files.

Orphan File: If users have an orphan PST file and they have a desire to import it in an OST file in Outlook which is in proper working condition. So that they can access old and new data in the same configured account.

Recommended: Expert Guide to Import Old Emails into Outlook

How to Convert PST to OST in Outlook 2013-2021?

Launch Outlook 2021, 2019, 2016, and 2013 on your machine.
Thereafter, choose File >> Open & Export >> Import/Export.
Then, select Import from another program or file and tap Next.
Choose the Outlook Data File (.pst) option and click Next.
Next, browse the PST file from your computer to import.
Choose a folder where you want to import PST and press Finish.
Imported PST file will be displayed on the left-side corner.
Right-click on the configured OST profile and create a New Folder.
Drag and drop imported PST to OST in the newly created folder.

How to Change PST to OST in Outlook 2010?

Start MS Outlook 2010 on your machine and choose File.
Thereafter, select Open and then choose Import option.
Choose Import from another program or file and press Next.
After that, select Outlook Data File (.pst) and hit Next.
Browse a PST file from your computer and click Next.
Select a folder to import PST to OST and Finish.
Right-click on the configured profile and create a new folder.
Drag and drop imported PST to OST folder (newly created).

Know How to Import PST to OST in Outlook 2007 & 2003

Open Outlook 2003 or 2007 and select the File option.
Choose the Import and Export option to open Wizard.
Next, select Import from another program or file.
Choose Personal Folder File (.pst) and press Next.
Browse PST file to import from your machine and Next.
Pick a folder to import PST file data and click Finish.
After that, see the import PST file in the left side panel.
Right-click the configured profile and make a new folder.
Under the new OST folder, drag and drop imported PST.

What Are the Manual Method Disadvantages?

If you have an orphaned file then you can’t import PST to OST, which means your OST file should be configured and connected to Outlook correctly.
It requires medium-level knowledge of MS Outlook client, inbuilt Import Export Wizard, and types of account configurations.
This is a time-consuming and lengthy process to convert PST to OST file using MS Outlook 2003 to 2021 email client.
There is no guarantee for converting PST to OST with 100% accuracy, you can perform these methods at your own risk.

Read Similar: Verified Ways to Convert PST to OLM for Mac Outlook

Alternative Professional Solution

BitRecover PST Converter Wizard is an all-in-one software that is compatible with both PST (Personal Storage Table) and OST (Offline Storage Table) files. The tool has 30+ saving options. This software has a direct option to import PST to shared mailbox Office 365, as well as Google Workspace, Yahoo, Exchange Server, etc. If you have orphaned PST and OST files, then this is a highly recommended solution because in this situation manual method will not work.

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Questions You Might Have

Q 1: When does Outlook create PST and OST files?

If you configure MS Outlook using POP3 settings, then it creates a PST file. If you configure an Outlook account using IMAP settings, then it creates OST file. Also, if you sync the Exchange Server with Outlook then it generates OST files.

Q 2: Can I convert PST to OST file without Outlook manually?

No, MS Outlook should be installed and configured to convert PST to OST manually.

Q 3: Can I import a PST file into an OST?

Yes, if your OST file should be connected and configured with Outlook then you can transfer PST file data in OST file.

Conclusion

This article explored manual methods to import PST to OST in Outlook 2021, 2019, 2016, 2013, 2010, 2007, and 2003 versions. You can follow the above-mentioned steps to migrate data from PST to OST in Outlook desktop client. Alternatively, you can use the suggested software that supports PST and OST files and offers 30+ unique saving options.