Best OST to PST Converter Tool 2025- Convert OST to PST Easily.

Recoveryfix OST to PST Converter is a specialized tool designed to convert offline Outlook OST files into importable PST format. It efficiently recovers and restores inaccessible or orphaned OST data (emails, contacts, calendars, etc.) for use in Outlook or migration to Office 365.

Key Features:

  • Converts corrupt, orphaned, or large OST files to PST

  • Recovers deleted items from OST files

  • Preserves folder structure, metadata, and attachments

  • Supports all Outlook versions (2021, 2019, 2016, etc.)

  • Exports OST data directly to Office 365 (optional)

  • Handles password-protected & encrypted OST files

  • To convert OST to PST easily the best tool in 2025 is the FixVare OST to PST Converter. The tool is designed to convert unlimited OST files to PST format. You should use this software because this tool provides you with many facilities and gives quick and safe conversion results. The application supports all Outlook editions and will perform well on all Windows versions. This software gives you an option to test the tool by exporting the first 25 items per folder using its trial version.

  • With MailsDaddy OST to PST Converter, users can easily convert OST to PST without Outlook, which is especially useful when Outlook or Exchange is unavailable. The software recovers OST files from damaged or inaccessible mailboxes while preserving folder hierarchy, attachments, and metadata. It supports multiple export options such as PST, MSG, MBOX, EML, RTF, and HTML formats. Its batch OST conversion feature saves time when handling large files, while PST splitting ensures data is manageable. The tool also offers a preview option for emails, contacts, and calendars before export. Contacts can be saved in VCF/CSV formats and calendars in ICS. Direct migration to Office 365 and Live Exchange makes this OST to PST Converter an ideal choice for professionals and enterprises looking for efficient OST to PST conversion with maximum flexibility.