OST to PST Converter




OST to PST Converter Software

MVP's verified tool to Convert Offline OST to PST for Outlook 2019, 2016, 2013, 2010 versions with complete accuracy. This is the Best converter tool for IMAP OST to PST file format. The software will help you to convert your OST content to the PST format easily.

  • Convert OST to PST and EML, MSG, MBOX, EMLX, NSF Email Format
  • Export OST in Document Format: CSV, ICS, TXT, vCard, PDF, HTML, MHT, RTF,DOCX, DOX
  • Convert Multiple OST Files to PST for Outlook 2019, 2016, 2013, 2010 & Below
  • Convert Exchange, Office 365, Hotmail, and IMAP OST to PST Format Easily
  • Previews All Emails Components: Emails, Contacts, Calendars, Tasks, Attachments, etc.
  • Convert S/MIME and OpenPGP Encrypted OST to PST with Attributes
  • Microsoft Outlook is Not Required for OST to PST Conversion Process
  • Download OST to PST Converter and Install on Windows 11, 10, 8, 7 Version

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OST to PST Converter Tool – Features

2 Options: Either Search or Select OST

Software provides you two advance options: Search or Select. Both the options having different procedure:

  • Select File: - If you know the location of OST file, then click on Select radio button. After that click on and navigate to the OST file location.
  • Search File: - If you don’t know to location of OST file, then you can select Search radio button. After that you can specify the drive. The OST to PST Converter Software will automatically search the OST file and browse in software panel for conversion.

This option will help you to browse OST file even without knowing location of OST file.

Convert OST to PST with Attributes

The software ensures complete data conversion in few simple clicks. Moreover the software also provides multiple preview modes like: Normal Mail View, Hex, Properties, Message Headers, MIME, RTF, Attachments. You can simply preview complete data before conversion. Download free demo version and check all features.

Checkout Some Advance Options

  1. Convert Orphaned OST to PST Format
  2. Exchange Profile & Server Connectivity Not Required
  3. Convert IMAP OST to PST Format With Complete Data
  4. Converting Another User OST File to PST Format Easy
  5. Convert Your OST Content to The PST File Format
  6. Lifetime Software Validity and 24X7 Free Support

Convert OST to PST Format in 3 Steps

Follow the Simple Steps to Convert Your OST Content to The PST Format

Install The Software

Download OST to PST Converter Software and install it on your Windows system. After that launch the tool and browse OST file by clicking on Add File button.

Preview OST File Emails

Now the software will enable you to preview emails along with all attributes. It provides 7+ viewing mode to view the details before exporting to PST format.

Select PST and Export

You can opt for either export selected emails or complete OST file emails. Finally select the PST radio button and provide location to save converted mails.

When to Use This Converter Software?

  • Requirement to Convert OST Mailbox Data
  • Want to Migrate to New Version Machine
  • Having Another User's OST File and Want to Access
  • Need to Compact Multiple OST File in One PST
  • Want to Convert Large Size OST file to PST Format
  • Need to Convert Encrypted & Password Protected OST
  • Having Orphaned OST File and Want to Access in Outlook

OST to PST Converter Software

Read Software Features to Convert OST Files to PST Format Professionally

Export OST to PST

Dual Scanning Modes to Convert OST File

The OST to PST converter software offers dual (Quick and Advance) scanning options to convert corrupted OST file. Quick scan mode can be used in minor corruptions since Advance mode allows recovering data from severe corruption cases.

View OST Items

Preview Entire Mail Items After Scanning

After scanning, the OST to PST Converter Tool shows a complete preview of entire data, including emails, contacts, tasks, journals, notes, and calendars, etc. So that you can view and select important emails before Office 365 IMAP OST to PST conversion.

Convert OST to PST

Convert OST to PST, EML, HTML & MSG

Office 365, Hotmail & Microsoft Exchange IMAP OST to PST Converter works as a multi purpose tool and saves migrated data into 3 more reliable formats like: PST, EML, HTML & MSG. These functions help in moving email from Exchange, Office 365, Hotmail IMAP OST file to PST or other email clients. It enausres to convert your OST content to the PST format.

Selective OST to PST Conversion

Transfer Selective Mailboxes and Folders

In case if any one desires to transfer a few filtered items instead of the whole OST file, then this feature of the tool will come as a great help. The OST to PST converter software allows selecting / deselecting the required mail items in a single click. This feature allow you to convert your OST content to the PST format selectively.

Naming Features

Different Naming Options to Export Emails

In Exchange Server a user can recover emails from OST file after hard deletion within the retention period. Once the retention period gets over then those lost items can be recovered using this converter tool for OST to PST. Check all claimed features for free by unsing free demo version.

Recover Deleted Items

Restore Permanently Deleted Mail Items

The OST to PST Converter Software application preserves entire email header information like: to, from, cc, bcc, appointments and email attachments during the extraction. So convert OST file to PST in the actual email formatting as previous. It also provide advance feature to restore hard deleted emails from OST file and then export into PST format.

Reduce File Space

Split Resulting PST File by Providing Size

Using this specific function of OST to PST Converter wizard a user can divide or split resulting PST file in a required size. This OST file Converter utility allows splitting PST file by size (1 to 100 GB) during the extraction process. Thus, creating several PSTs from an OST file.


Apply Filter and Export Selected Mails

You can apply the date wise filter to export calendars within a specific date range. The OST file to PST converter software will exclude the calendars 'of' selected dates and transfer them to an Outlook PST format. To use this feature you have to buy OST to PST converter full version.

No Outlook

MS Outlook Installation is Not Compulsory

Microsoft Outlook installation is not required during OST to PST conversion process. The software supports all latest and older editions of MS Outlook including the latest version of Microsoft Outlook 2019. You can download this software and install it on any version of Outlook.

Maintain Folder

Maintain Actual Folder Structure

Everyone wants to convert offline OST to PST in there actual folder structure. So download OST to PST converter tool automatically maintains the same folder mapping and retains sequence in the output as previous; including all folders, sub-folders, and custom folders.

IMAP OST to PST Converter - System Requirement

Software Download

Size: 36.3 MB

Version: 8.0

MD5: 56294ed00fc7eeb559ffee54d32e8eca

Trial Limitations

Free demo version of OST to PST Converter Software will generate preview of OST mailbox data and convert only first 25 Items per folder. For complete data conversion buy OST to PST converter full version.

System Specifications

Hard Disk Space
100 MB of free hard disk space required

4 GB of RAM

Minimum 2.4 GHz Processor

Supported Editions

Microsoft Windows 10, 8, 7 (32 bit or 64 bit) and Windows Server 2016, 2012 R2, 2008
Microsoft Outlook 2019 (32-Bit & 64-Bit) / 2016 / 2013 / 2010 / 2007 / 2003


  • Microsoft .NET framework 4.5 or above should be installed.
  • If you are using Windows 10 / 8 / 7 or Vista, then please launch this tool as "Run as Administrator".
  • MS Outlook installation is not required
  • For Remove Email Encryption option:
    Certificates and respective passwords to decrypt SMIME encrypted Emails.
    Private Keys and respective passwords to decrypt OPENPGP encrypted Emails.


Q. Is your Antivirus blocking the software export process?

A. Please disable Anti-virus temporarily / Allow access (Whitelist) from Antivirus settings for porper working of the software.

Q. Unable to Create Output in destination?

A. Please avoid NAS, SAN, Network or Shared Drive. Source file should be on the migration machine to perform successful conversion.

Electronic Delivery

The delivery of the product is automated, You will receive an email containing both the link to download the product and the activation key within few minutes after payment confirmation.

OST to PST Converter Software

Common Difference of Free Demo and Full Version Software

Features FREE Version FULL Version
Add Single or Bulk OST File
Quick & Advance Scanning Mode
Remove S/MIME & OpenPGP Encryption
Preview OST File Emails with Attachment
Windows 10, 8, 7, Windows Server 2016, 2012 R2, 2008
Outlook 2019 (32-Bit & 64-Bit) / 2016 / 2013 / 2010 / 2007 / 2003
Split Large File
Convert Selected Emails from OST to PST 25 Items / Folder All Items
Convert Complete Mailbox from OST to PST 25 Items / Folder All Items
Convert Orphaned OST to PST 25 Items / Folder All Items
Convert Another User's OST to PST 25 Items / Folder All Items
Convert IMAP OST File to PST File Format 25 Items / Folder All Items
Cost FREE $49

IMAP OST to PST Converter - FAQ

Listed Commonly Asked Questions and Answers Here to Understand Conversion

4 Steps to Convert Offline OST Files to PST (Outlook)

  • Step 1: Download OST to PST Converter Software & Install
  • Step 2: Search or Browse OST File into Software
  • Step 3: Preview Emails With Attributes and Click on Export
  • Step 4: Select PST radio button and Convert OST to PST
Yes, if the items are permanently deleted from the OST file, the software supports its recovery. For this, choose the 'Advance Scan' option in the tool.
Once you invest in the tool, it can be used as many times as you want. The software move unlimited number of OST files into PST.

It is quite easy to activate this software in full version. Follow the steps:

  • Step 1: Complete the Purchase Process
  • Step 2: You will get a Software Activation key on mail
  • Step 3: Copy Activation and launch the demo version
  • Step 4: Now the Software will show you 3 options Buy, Activate, and Continue Demo. Click on Activate button.
  • Step 5: Now paste activation key in it and click on OK.
The naming conventions are applicable only for MSG and EML export types. If you cannot enable this option, possibility is you have selected 'PST' as the output data file.
No, for recovery and conversion of data from an OST file to PST, the software does not require Exchange Server installation on machine.
For Windows 8 and Outlook 2010, the location of OST file is C:\Users\%username%\Documents\Outlook Files\
Yes, this OST to PST conversion tool is proficient enough to convert Hotmail OST to PST or Office 365 offline created database file. Just save the file in local machine and migrate them in the required file format.
Yes, the user can easily decrypt S/MIME and OpenPGP encrypted OST file emails by using this Convert OST to PST software.

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