Working Guide for MailsDaddy OST to PST Converter
Step-by-step visual instructions to convert offline OST files to PST, Office 365, Exchange Server, and other formats with intact mailbox hierarchy.
How to Convert OST to PST ? (7 Steps)
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Download & Launch OST Converter
Download, install, and launch the MailsDaddy OST to PST Converter tool on your local Windows PC. Click on the Get Demo button to evaluate the software or activate with a valid license key.
Add & Browse OST Files
From the main software window, click the 'Open' button to add offline OST files. Browse the OST file location to load into the software. You can add individual files or multiple OST files for batch migration.
Preview Mailbox Folders & Emails
Once loaded, the software scans the internal database and displays the complete folder structure with an item-by-item preview of emails, attachments, headers, contacts, and calendar items.
Click Export to Initiate Conversion
Click on the Export button in the top menu to open the conversion window and configure export options for single or batch migration.
Select PST Format & Destination Path
Choose PST for MS Outlook as the export destination format. Optionally apply date filter criteria to migrate specific date ranges, and browse the destination location to save the converted PST file.
Configure PST Split & Export Options
From the Export to PST window, choose whether to create a Single PST or Separate PST files for each mailbox. Enable the Split PST option if you have large OST mailboxes to avoid file size limitations, then click Export.
Start Conversion and Finish
Click on the Export button to begin the conversion process. Monitor the real-time progress bar. Once completed, a confirmation popup will appear. Click OK to finish and open your new PST file in Outlook.
Ready to Start with OST to PST Converter?
Download the free trial version to preview all mailbox items or buy the full license for unlimited conversion.