ZOOK OST to PST Converter

A Software to Migrate Exchange OST to Outlook PST File

  • Quickly Converts entire data items from OST to PST file
  • Reliable Solution to Convert OST to PST without MS Outlook.
  • Preserves Meta-Properties & RTF structure of all emails
  • Safely converts crashed, corrupted, orphaned, cached & IMAP OST files into PST.
  • Supports to all Outlook versions i.e. Outlook 2016, 2013, 2010, 2007, etc.
  • Split large sized OST files into multiple small parts. [Read More...] new
  • Merge multiple Outlook OST files into one PST. [Read More...] new
  • Ignore System Folders to remove unnecessary OST Folders. [Read More...] new
5 Star ratedRated 4.6/5 based on 56 customer reviews

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Noteworthy Features of OST to PST Converter

ost to pst

Convert OST to PST Files

It allows users to convert OST to PST format along with all the data items. Conversion help users to open OST file contents in Outlook as PST, independent of Server. It is the safe solution to export OST to PST format in few moments.

without outlook

No Outlook Installation Needed

ZOOK OST to PST Converter does not require any installation of MS Outlook in the system where the conversion needs to be carried out. This software is also compatible with all the versions of MS Outlook.

export all item

Complete Conversion

It facilitates complete conversion of all OST data items present in the offline OST file and convert them easily into PST files. OST to PST Converter completely export entire data items of OST file such as emails, contacts, calendar entries, tasks, to-do list, notes, etc. into PST format in its original form.

keep rtf

Keep Meta Properties & RTF

OST to PST Converter ensures that all the meta-properties of the emails like subject, sender, receiver, size, etc. are kept intact even after conversion. It also maintains the Rich Text Formatting of every OST email in PST format too.

email with attachment

Convert OST to PST without any Limitations

This tool enables user to batch export OST to PST format without any limitations. It permits user to select any large OST file or multiple OST file and save OST files as PST format without any hassle.

support exchange versions

Supports All Exchange Versions

This utility will smoothly work with OST files created by any versions of MS Exchange. It also supports the OST file associated with Hotmail account configured in Outlook. So that users can easily convert OST to PST format in few moments.

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For Home User

  • Suitable for Home User
  • Convert Multiple Files
  • Valid for 2 Machine
  • Valid for Single Geographical Location


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For Corporate

  • Suitable for Corporate User
  • Export Multiple Files
  • Valid for Multiple Machines
  • Valid for Multiple Geographical Locations


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Note: After placing the order, you will get an email containing full version details within 15 minutes. So, please use correct email id. If you did not receive your full version details, please contact us via Email or Live Chat.


Guide ‐ ZOOK OST to PST Converter

Utility Specifications

Trial Limitation

  • The Trial Version will convert first 25 emails only.

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Compatible With

  • Full Support to Windows 10 & all below Windows Version (32 & 64 Bit)
  • Supports OST Files of any Outlook Edition.


  • Minimum of 1 GHz processor.
  • 512 MB of RAM memory. (1GB recommended)
  • 50 MB of free hard disk space for installation.

Frequently Asked Question

Yes, this utility supports both formats of OST file namely ANSI and UNICODE. The resultant PST File will be in UNICODE file format.
Yes, the software has been designed in such a way to support conversion of bulk-size OST to PST files. Therefore, you can easily convert your 25 GB OST mailboxes into PST format without having any issue.
No, the software does not need any installation of MS Outlook in the system for any conversion. Moreover, it supports with all the versions of Outlook i.e. Microsoft Outlook 2016, 2013, 2010, 2007, etc. to import OST to PST format for Outlook.
Yes, the software has capability to convert all the emails and its attachments, calendars, contacts, etc. if present in offline OST files to PST format. It safely extracts entire data of OST file backup as Outlook PST format by using the most efficient tool OST to PST Converter.
Yes, the software offers to spit and merge IMAP OST file according to user's requirement. It also facilitates to create a separate PST per user by ignoring the system folders. It is a safe solution to recover and repair OST file for MS Office Outlook.
Yes, the tool OST to PST Converter has been technically designed by using edge cutting techniques which easily merge multiple Outlook OST files into one PST file. It allows user to select two or more OST files and join them into single PST file.
Yes, the tool can safely repair and convert highly encrypted, orphaned, damaged, or password protected OST file into a healthy PST file by keeping the entire data intact in its original form.

Overview ‐ ZOOK OST to PST Converter

OST File stands for offline storage table that is replica of Exchange mailbox, which is generated at local end. It permits users to access all mail data without internet connectivity. It used for cached storage.
PST is personal storage table that stores all Outlook data. It's also known as Outlook data file that contains all the mail components, which includes attachments, emails, journals, contacts, notes, tasks, to-do list, etc. in a single file.
There are several issues of OST files such as file size problem, orphan state, synchronization problem, etc. due to which users need to import OST to PST file format. Sometimes, OST files are inaccessible or corrupted because of which conversion is required. It enables user to repair OST file and move PST file from OST of Microsoft Office Outlook.
For OST to PST conversion, we can use add-on import and transfer OST file to PST file format. However, this method is useful only when user is connected with MS Exchange Server. Another alternative for reliable conversion to change OST to PST format is OST file converter to fix OST issues. ZOOK OST to PST Converter is the reliable solution to migrate OST to PST format without altering any data.
To create a PST file from OST file, it is necessary to perform the simple procedure as described below: -
  • Download OST File converter and launch it in your system.
  • Now, choose the desired OST file/folder from the system.
  • After that, users need to choose the file location to save OST as PST format at desired resultant location.
  • Finally, in the last step click on Convert button to change OST to PST format.

In few moments, the utility can easily save OST to PST format at selected file location. It is the perfect solution to fix OST file error by converting OST to PST format. This tool enables user to import PST file to Outlook in an easy way by following the simple steps.

Users will get their OST file at the following defined location C:\users\username\AppData\Local\Microsoft\Outlook\xxxx.ost. Usually, it is totally depend on the Microsoft Outlook version that you are using in your system.

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