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If you're looking to convert OST files to PST format, here are two simple and reliable methods you can use:
This is the most efficient method, especially for converting orphaned, inaccessible, or large OST files.
Steps:
The tool ensures high-accuracy conversion while preserving folder structure, metadata, and attachments.
Method 2: Using Microsoft Outlook (Manual Method)
Steps:
A convenient built-in option for users with access to a live Outlook account.
Method 1: Using GoldyTools OST to PST Converter
This is the most efficient method, especially for converting orphaned, inaccessible, or large OST files.
Steps:
- Download and install the GoldyTools OST to PST Converter from the official website.
- Launch the software, click on the ‘Open’ tab, and select ‘OST Files’ to load your data.
- From the list of output formats, choose ‘PST’ as the saving option.
- Click the ‘Convert’ button to begin the conversion process.

Method 2: Using Microsoft Outlook (Manual Method)
Steps:
- Open Microsoft Outlook, click the ‘File’ tab, then go to ‘Open & Export’ and select ‘Import/Export’.
- Choose ‘Export to a file’ and select ‘Outlook Data File (.pst)’.
- Select the folders you want to export and click Next.
- Choose a destination to save the PST file, then click Finish to complete the export.
