OST to PST Converter

Repair/Restore Corrupt OST File & Convert OST to PST, MBOX, MSG, EML, EMLX, vCard, Office 365 & Live Exchange Server

User Ratings :   (Average Rating 4.8 Based on 1019 Reviews)


  • Lifetime License Validity (No Licence Renewal Charges)
  • Instant Delivery of License by Email
  • 30 Days - Money Back Guarantee

OST to PST Converter is the best solution to recover damaged/inaccessible exchange offline Emails, Calendars, Contacts, Task, Journal Mailbox from OST to Usable PST file after OST file corrupted or MS Exchange Server in dismounting condition.

  • Convert large-sized OST files to PST file format - No file size limitation
  • Recover Emails, Calendars, Contacts, Task, Journal Mailbox etc from OST file
  • Save converted OST Emails to PST, EML, MSG, MBOX, EMLX, HTML file
  • Export OST Contacts to vCard and Calendar to vCal file format
  • Supports to Repair Corrupted / Inaccessible OST file, Also, software Works on IMAP OST file
  • Preview Data of Emails, Contacts, Calendar & Folder before start actual conversion process
  • Options to Migrate OST Mailbox to Office 365 & Live Exchange Server directly
  • Restore Permanently Deleted messages from offline OST file
  • Message Filter Option that allows save email according date range.
  • Option to Split Large OST file into smaller size PST - 1GB, 2GB, and so on
  • Fix all types of OST error issues like Oversized issues, Sync Error etc
  • Convert Password-Protected & Encryption OST to PST file
  • Supports MS Windows 10 & earlier version and MS Outlook 2019, 2016, 2013, 2010, 2007, 2003 [32-bit & 64-bit]

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* Demo Version allows user to Preview OST data & allow to convert only 30 items each folder

Key Features of OST to PST Converter

ost to pst
Convert Offline OST to PST

OST to PST Converter software to convert swiftly and smoothly each mailbox of MS Exchange Outlook offline files including emails, Contacts, Calendar, Journal, notes, tasks, etc. with their attachments in new PST file.

ost to pst converter
Convert Corrupt/Inaccessible OST Files

OST Conversion application also recover corrupt/inaccessible OST Mailbox data in all Microsoft Exchange Outlook version including 2007, 2010, 2013, 2016, 2019 in case of hardware failure, synchronization error, virus infection, malicious, abnormal outlook terminate.

converter ost to pst
Convert OST into Multiple File Support

Reliable OST to PST Converter tool to convert all OST mailboxes with its properties including 'To', 'From', 'Subject', and 'Date' into multiple files such as PST, EML, EMLX, MBOX, HTML and MSG.

 covert ost to pst
OST Contacts to VCF & Calendar to ICS

OST to PST Converter software provides you addition features as OST Calendar in ICS file and import ICS file to Apple iCal, IBM Lotus Notes, etc. Also export OST Contacts as vCard VCF file effectively and import VCF file into Outlook Express, iPhone, android phone, Mac Outlook etc.

OST to PST converter
Support Encrypted Exchange OST File

Whenever, you may be getting an error due to lost access to your encrypted OST data. In such situation, you need to use OST to PST tool that helps you to fix encrypted OST file and convert it to PST file format securely.

covert ost to pst
Split Large OST File into Small PST

While saving OST data, you can apply the PST split option to break large OST file into numerous parts with specify the size in 1 GB, 2GB up to 25GB into PST files.

ost file repair tool
Save OST by Date Filter Option

To extract Exchange offline OST file to PST format by specific date, then we provides Message Filter option to convert OST data from specify the dates in 'to' and 'from' field only.

OST to PST conversion
Selective Email Items from OST

OST to PST recovery software provides a selective messages option by right click on email to export checked files or folders from OST file to specific file as PST, EML, MSG, MBOX, EMLX & HTML.

ost file repair tool
Migrate OST to Office 365

OST Migration software provides migrate OST mailbox data including Emails along with attachments, Calendars, Contacts, etc., to Office 365 account with login credentials directly.

outlook ost to pst conversion
Export OST to Exchange Server

Export OST data to Live Exchange Server is easier with OST to PST Converter software as the saved OST files are exported directly on Exchange Server with valid login credentials.

ost file repair tool
Preview OST Contents with Attachment

After scanning, the OST converter software generate an instant preview of all OST Mailboxes like: Emails, Contacts, Calendars, Tasks, etc.; with its properties and attachments.

outlook ost to pst conversion
Supports MS Outlook/Windows's Version

OST Converter software provides support to the latest Windows and MS Outlook versions. After the successful conversion, user can import converted PST file in Outlook 2019, 2016, 2013, 2010, 2007, 2003. And also Software support all Windows 10 version and below.

Frequently Asked Questions

What are the possibilities of accessing the contents of an Exchange offline mailbox when in orphan state?

The Exchange offline mailbox as OST of users can be saved to MS Outlook PST file format using this OST to PST Converter for retrieval the access of its contents for commercial stability. The procedure to convert orphaned OST file to PST file is very simple to understand with this OST converter tool.

What can I save using the trial version of software?

With the trial version of the software, you can save only 30 items per folder. However, in order to save all OST items, you need to purchase the full version of the software.

What is the need to convert Exchange OST file to PST file?

You may require converting from OST to PST in any of the following cases:

  • Your OST emails mailbox on the Exchange Server is accidentally deleted and you need to access your emails.
  • You are facing issues while synchronizing Outlook with Live Exchange Server.
  • You need to carry your individual or business emails to a different organization
How much time does OST Conversion software takes to perform conversion procedure?

Depend on heavily size of your OST file to take time to perform conversion process.

Is Software repair corrupt OST file?

Yes, Software easily convert corrupted OST file into PST file.

What if I have an issue after the OST file conversion?

If you face any issue during OST file conversion or after, you can contact our technical support team

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Client Reviews


Last week a few significant mail folders were deleted by mistake and I was concerned regarding the deleted mail recovery, but Technical Support helped me to recover the entire deleted mail folders completely. Extremely awed with working of support team and would like to say thanks to technical support of this software

- John Waston, USA

Giving a try to your OST To PST Converter solution before making actual buy was a wise choice. Truthful Exchange OST file repair and recovery results made your software extremely appraisable. Congrats for the nice work done.

- Ralph Pfeffer, Kazakhstan