What are the steps to migrate OST files into PST format in 2025?

[Niteshkumar]

To convert OST files to PST format quickly and efficiently, you can choose from the following two reliable methods:

1. Using Goldytools OST to PST Converter Tool​

This is a powerful, user-friendly third-party solution that streamlines the OST to PST conversion process with minimal effort:

• Step 1: Download and install the Goldytools OST to PST Converter on your system.
• Step 2: Launch the software, click on the ‘Open’ option, and select ‘OST Files’ to load your data.
• Step 3: From the list of available saving formats, choose PST as your output option.
• Step 4: Click the ‘Convert’ button to begin the process. The tool will convert your OST file to PST format with high precision—maintaining data integrity, folder hierarchy, and attachments.

2. Using Microsoft Outlook (Manual Method)​

This method is suitable only if the OST file is connected to a valid Outlook profile:

• Step 1: Open Microsoft Outlook, click the File tab, then select Open & Export > Import/Export.
• Step 2: Choose ‘Export to a file’, then select ‘Outlook Data File (.pst)’.
• Step 3: Select the folders you want to export and proceed.
• Step 4: Choose a destination to save the PST file and finish the export process.

Note: The manual method requires Outlook to be installed and the OST file to be accessible through an active profile. If the OST file is orphaned, damaged, or inaccessible, the Goldytools OST to PST Converter is the recommended solution for a seamless and secure conversion.