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MailsDaddy OST to PST Converter

Flawlessly export MS Exchange server or IMAP OST file mailbox data to equivalent Outlook PST file, MBOX, EML, MSG and Rich Text File format. The OST to PST Conversion tool is compatible with all versions of MS Outlook and Windows OS.

  • Comprehensive solution to repair extremely corrupted OST file.
  • It offers safe and quick OST to PST migration
  • The size of OST file doesn’t matter for quick OST file conversion.
  • Exports all contacts to VCF format without missing any single field of information.
  • Migrates OST file data to multiple file types with maintaining the folder structure.
  • Saves top 20 files from every folder of OST file with DEMO version
  • It keeps the complete original OST mailbox properties such as To, BCC, CC, Subject, From and Date.
  • Search and Find OST mails, and save in PST, EML, MSG, MBOX and HTML format.

Exclusive 10% discount

To get 10% discount use the JDSW10 coupon code during checkout.

Key-Features of the Microsoft Outlook OST to PST Converter software

  • Restore OST file items: MailsDaddy OST2PST Converter tool allows to restore the soft deleted Microsoft Outlook OST mailbox data which is still available in TRASH folder.
  • Scan the OST file: Before starting the safe OST mailbox to PST conversion procedure, the converter for OST to PST software deeply scans the complete corrupted OST file.
  • File preview: The software always provides a preview of inaccessible Outlook mailbox and the user can easily view the MS Exchange OST file data one by one.
  • Maintains the Folder Hierarchy: Don’t panic for maintaining the original folder structure of Outlook OST file after conversion. The software sustains the complete folder and sub-folders hierarchy.
  • Naming Convention: It allows to export OST messages to EML, MBOX and MSG format with the naming convention options – Subject, Date, Subject+Date, From+Subject+Date, Autoincrement etc.
  • Save OST in Multiple PST files: The software provides a method to convert and save large OST file data in small PST files as per user requirement.  It splits the OST file to several Outlook PST files.


Q: Does the software require for MS Outlook to perform the OST to PST conversion procedure?

A: No, the software permits to convert OST file to Outlook PST without using any version of MS Outlook.

Q: Does, the software is supportive with latest version MS Outlook OST file:

A: Yes, the MailsDaddy OST to PST converter is totally compatible with all the latest and earlier versions of Microsoft Outlook.

Q: Can it recover highly damaged OST files without lacking any data?

A: Yes, you can use this software for safe and secure OST file recovery without skipping any bit of original data.

Q: Does the software supports bulk OST file conversion?

A: No, but our developers are working for this feature. Please always connect with us and subscribe our newsletters.

Q: What is the difference between DEMO and Full Licensed Version?

A: The demo version is totally free of cost and available only for viewing and reading the OST file and it exports only first 20 items from every folder of mailbox. The full version of the software is completed with all advanced and powerful features at just $49 for personal license.


must say that the software really worked for me what it says and very easy to operate. I am giving 10/10 for its excellent performance to save the orphaned OST file mailbox data in PST file format.

John Nicole – Nigeria


I used this awesome and amazing software to export the complete Outlook 2019 OST file data to MBOX file format. It has really finest features and provided most useful facilities to get the quick results.

Linnea Karlsson – Sweden


The well explained and much elaborated working guide of the software, totally amazed me.  There are so many things too to escalate but the user manual part is so impressive.

Fatumina Golna – Kenya