Extract OST to PST tool



EmailDoctor OST to PST Extractor

OST to PST Extractor is a mastered application that can easily extract data from OST to PST and other format also. This tool can easily extract OST file to PST items such as emails, contacts, calendar data without any data loss.

(Average Rating 4.8 Based on 111 Reviews)
  • Convert OST file to Outlook PST with all Emails, Contacts, Calendars, etc.
  • Convert in Mail Format OST to PST, PST, EML, MBOX, EMLX and NSF format
  • Export into Document Formats PDF, vCard, CSV, ICS, TXT, HTML, MHT, DOCX, DOC, RTF
  • Remove Encryption (S/MIME and OpenPGP) from OST Emails & Extract OST to PST
  • Convert IMAP / Exchange / Office 365 / Hotmail OST files to PST format
  • Apply date based filters to perform Selective OST Data Conversion
  • Metadata of emails remains maintained while Extracting OST to PST
  • Successfully tested with the extraction of 20 GB of OST to PST file
  • Extract Unlimited OST file size supported for conversion to desired file
  • OST to PST Extractor is compatible with all version of Microsoft Windows OS

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Introduction to OST file

Need OST To PST Extractor

OST file is known as Offline Outlook Data File, which is created by Microsoft Outlook Exchange Server and it provides facility of mailing and messaging despite server unavailability. Users can create a mailbox cache replica, which is OST file. This file enables cache Exchange mode and offline mode even when users are not connected with mail server. Enabled cached Exchange mode creates OST file automatically at user's computer if OST file is not created.

Change of email, deletion of email, new email creation, new calendar creation and new task creation in Outlook is reflected on the Exchange Server mailbox after synchronization when connection is available. Cached Exchange mode creates OST file and then file is downloaded and maintained as synchronized copy of items in all items of mailbox. User keeps working offline whether the connection is available or not and when connection will be available then synchronization takes place and all changes done by user will reflect on Server end.

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  • OST file is not accessible directly by email client like: Microsoft Outlook.
  • Emails cannot be viewed by OST file using Microsoft Outlook or any other email client.
  • To overcome this problem you need an extractor, which can convert OST file to Outlook PST, EML and MSG and HTML file format by which you can easily access emails, calendars, etc.
  • MS Outlook extract OST to PST, also enables you to restore all deleted emails as well as recover the corrupted ones.

Why OST to PST Extractor Should Be Preferred?

OST to PST Exporter tool is programmed to help overcome problems related to accessing the contents of offline OST file. Outlook Offline OST Converter comes with multiple features to handle these problems related to OST file. With advanced mode as well as simple scanning mode by which you cannot only extract files from OST but also you can restore emails from OST files.

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EmailDoctor OST to PST Extractor Software Features

easily extract OST file emails

Extract OST Emails to PST (Outlook) File

Convert all data (emails, contacts, calendars, tasks etc.) from Exchange OST to PST format to access the output using MS Outlook. Microsoft Outlook OST files of unlimited size are supported for conversion. It also allow you to save extracted file into EML and MSG file format.

Dual Scanning Mode

Scan OST File & Export to PST

There are two scanning modes to convert offline Outlook OST file to PST; Quick and Advanced Scan. Quick scanning mode is automatically implemented if Advance Scan is not selected. Advanced scanning mode serves recovery from severely corrupted files and simply extract OST files to PST format.

Preserve OST file metadata

Metadata of OST File Items Maintained

OST to PST Extractor tool keeps all meta-properties of the processed emails unchanged like Sender email address, receiver email address, time, formatting, attachments, etc. You don't need to worry while executing convert Exchange OST file to PST procedure.

Preview OST file data items

Preview Data & Item Count

After successful conversion, tool to export OST to PST format generates a preview of all items (Emails, Calendars, and Contacts etc.) and displays all items same as in the source file with attachments. You can view your data which are present inside file before OST email extraction process.

export selective OST file data

Export Selected Emails to Outlook PST Account

Selected items (Emails, calendars, notes, tasks etc.) can also be performed instead of saving the entire user mailbox. OST to PST Extraction Tool lets you save selected messages in limited time duration with the mere need to check the desired items in the extraction process.

migrate selected OST file emails

Export Selective OST Files / Folders to PST

Other than emails, personal items like notes, journals, and contacts can also be converted selectively from OST file. Select Tasks, Notes or Calendars etc., and extract OST to PST by proceeding with the export procedure to a desired output format.

maintained foler hierachy

Folder Hierarchy Maintained During Extraction

OST to PST Extraction tool can maintain the same hierarchal structure in converted PST file as it was in the source OST file. There are no changes made in the structure after the extraction in concern of data and the folder structure.

apply date based filters

Email Filtration by Date & Months

The Convert OST files to PST utility allows you to convert items from OST by specifying range of dates for filtration of Email. You can specify a start date and end date, i.e. 'From' and 'To' dates, which will be recognized by the software to select emails.

Migrate OST file to multiple formats

Convert OST Emails to Multiple Formats

After a successful data recovery & extraction, you can save emails into multiple file formats (.eml, .msg, .html and PST) and with this; you can get wider usability of emails via accessibility on various other email clients other than Microsoft Outlook.

split pst file option

Split PST (Converted File) by Size

At the time of exporting as PST format file, you can select the option to split the output into small parts by specifying size GB. The OST to PST extractor software will then export the selected data from source OST and evenly distribute it in multiple PST files of the desired size.

repair and save OST file data

Repair and Save Scanned OST File Data

The OST to PST Extractor provides you the facility to save scanned file by which you can load later whenever needed and you need not to scan again the same file and like this you can save scanning time repeatedly.

Migrate data without Outlook

Convert Data in Absence of Outlook

MS Outlook OST Extraction Tool provides you facility to save or export Outlook OST emails into another file format and for this; you do not need to have Microsoft Outlook installed on your machine.

Export Report

Save OST to PST Extract Report

MS Outlook convert OST to PST gives you facility to export the report of extraction in which you get information about mailboxes and path of saved items. This report can be saved in .csv file format for future use.

Change file name

Change File Name Accordingly

It allows you to change file name at the time of exporting the converted file. The change in file name is only applicable for EML and MSG file format. You are provided custom naming conventions to name the messages while converting OST to PST format.

OST to PST Extraction Software Specifications
Download OST to PST Migration Tool to Extract OST File to PST

Download Software

Size : 35.4 MB

Version : 7.0

MD5 : 8a6e2d01a17eac95925e103bd8453ac5

Trial Limitations

Free demo version of OST to PST Extractor application will generate preview of OST file mailbox data and allows the user to export 25 items per folder from Microsoft Outlook OST file.

System Specifications

Hard Disk Space
100 MB of free space required on hard disk

Min 2 GB RAM is necessity

Intel® Pentium 1 GHz processor (x86, x64) or any equivalent

Operating System

  • Microsoft Windows – 2000, 2003, 2008, XP, Vista, or Windows 7/8/8.1/10, 2008/2012 (32-bit & 64-bit)
  • MS Outlook – Outlook 2000, 2003, 2007, 2010(32/64 bit), 2013 (32/64 bit), 2016 (32/64 bit), 2019

Additional Requirements

Microsoft .NET framework 4.5

Application Pre-Requisites

If you are using Windows 10 / 8.1 / 8 / 7 or Vista, then please launch the tool as "Run as Administrator".






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Buy OST To PST Extract Tool Full Version

Get an Overview of OST to PST Extractor Application - DEMO & Licensed Version

Features DEMO Version FULL Version
Option to add Single or Multiple Outlook OST File
Dual Scanning Mode (Quick and Advanced Scanning) option
Preview MS Outlook OST Emails and its attachements
Option to split large PST files
Compatible with Windows 10,8, 7 and below versions
Backup MS Outlook OST file to PST 25 items / Folder All Items
Cost FREE $49

Frequently Asked Questions

Listed Commonly Asked Questions and Answers


Follow the Simple Steps to Extract OST to PST File

  • Step 1:Download and Install OST to PST Extractor.
  • Step 2: Browse OST file from Which you want to extract files.
  • Step 3: Preview OST file data in converter software panel.
  • Step 4: Now Save the Resultant PST file format.
Yes, this tool can convert any size of OST file to PST. This converter doesn't have any restriction of size for conversion.
No, this OST to PST file conversion utility doesnt require Microsoft Exchange server or any other additional software to export OST to PST file.
Yes, This utility allows the user to add multiple OST files and can easily convert more than one OST files at once.
Yes, by using this software the user can easily migrate the selected OST file emails and other items.
After conversion you will get Unicode PST file, which can be opened in MS Outlook 2003 and all above versions of Outlook.

What Customers Are Saying

Client Reviews of OST to PST Extractor Software

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