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Choosing the best OST to PST Converter software is very important to migrate the Outlook mailbox data safely without losing any information. If your OST file is healthy, orphaned or corrupted, a good converter can export emails, attachments, contacts, calendars, tasks and other mailbox items into PST format while keeping the original folder structure and metadata.

Introduction

As it stores mailbox data on local storage, Microsoft Outlook users can work offline with OST Files. But, when an OST file becomes inaccessible due to server issues, profile corruption, or Exchange server failure, then it is necessary to convert it to PST. The OST to PST Converter helps to recover the mailbox data and export the mailbox to Outlook PST format without any data loss.

In this guide, we have reviewed 6 of the best OST to PST Converter tools on the basis of their features, advantages, limitations, and pricing.

1.Datavare OST to PST Converter 

Datavare OST to PST Converter is a reliable software to convert inaccessible or healthy OST files to PST format. It retains the original folder hierarchy, email formatting, attachments, contacts, calendars and other Outlook data during the conversion. The software is compatible with all versions of Outlook and Windows OS.

Features 

  1. Converts OST to PST even if Outlook not installed.
  2. Supports healthy, orphaned and corrupted OST files.
  3. Keeps folder hierarchy and email properties.
  4. Batch conversion supported.
  5. Compatible with all versions of Outlook.
  6. Easy to use and intuitive interface.

Pros

  • High speed of conversion.
  • Data integrity is 100% assured.
  • Good for starters.
  • Supports big OST files.
  • Cheap prices.

 Cons
Free version has limitations on the conversion.
Advanced recovery options are available only in the licensed version.
Rate

From $29 

2. Softaken OST to PST Converter 

Softaken OST to PST Converter is the safest tool to convert Outlook OST files to PST format. The software preserves the original folder structure, and keeps emails, attachments, contacts, tasks, journals and calendars.

Features:

  • Works with all Outlook versions.
  • Batch OST to PST Conversion
  • Preserves email formatting.
  • Recovers corrupted and orphan OST files.
  • Preview before converting.

Pros:
User friendly interface.
Support for large OST files.
Precise conversion.
Multiple export capabilities.
Cons 
The trial version has export limitations.
To use the premium features you have to purchase a license.
Cost Starting from $49

3. GainTools OST to PST Converter Description

GainTools OST to PST Converter helps you to convert OST files to PST without losing data quality. It’s good for home users and IT pros seeking a quick solution to Outlook migration.

Characteristics

  • Convert OST to PST with complete mailbox data.
  • Maintains the folder structure.
  • Supports OST file with Unicode.
  • Batch conversion. 
  • Supports all versions of Windows.

Pros

  • Easy interface.
  • Quick processing.
  • Data remains intact.
  • Supports big OST files.

Cons:

  1. The trial version is limited in functionality.
  2. Doesn’t have a Mac version.
    Price From $39

4. SysTools OST to PST Converter Tool

SysTools OST to PST Converter is a professional utility to convert damaged, encrypted or orphaned OST files into PST. It has advanced recovery features for enterprise users.

Feature

  • Converts healthy and corrupt OST files.
  • Auto Detect Outlook profile.
  • Preview mailbox items
  • Retains metadata.
  • Supports encrypted .OST files.


Advantages

  • Advanced recovery capabilities. 
  • Very accurate conversion.
  • Enterprise-ready solution. 
  • Large mailbox files supported

Cons

  • Price over competitors.
  • Complex for the begginer.
  • Price 
  • From $49

5. Convert Stellar OST to PST

Stellar OST to PST Converter is a renowned Outlook recovery software that converts inaccessible OST files to PST without compromising mailbox integrity. It can also export mailbox data to different file formats.

Feature

  1. Converts unaccessible OST files
  2. 'Preview before Save.
  3. Exports to PST, MSG, EML, RTF, PDF and HTML.
  4. Restores deleted emails.
  5. Supports encrypted OST files. 

Advantages

  1. Great recovery performance.
  2. Various export formats.
  3. Simple to use interface.
  4. Works with Outlook 2021, 2019, 2016 and below.

Cons 

  1. The premium editions are costly.
  2. Some high end features require higher editions.


Cost From $79

6. OST to PST Converter by KDETools

KDETools OST to PST Converter is a professional Outlook migration tool to convert healthy, damaged, encrypted and orphaned OST files into PST with complete mailbox information.

Features 

  1. Converts multiple OST files at once.
  2. Supports encrypted OST files. 
  3. Preserves folder structure.
  4. Preview mail box before export.
  5. Works with any version of Outlook.

Pros

  1. Supports large conversion.
  2. Conversion accuracy high.
  3. Easy to use interface.
  4. Various export options.

Cons 

  • The free version has limited functionality.
  • Full conversion requires a premium license.
    Cost From $29

Conclusion

The choice of the right OST to PST Converter depends on your specific needs and budget. If you want an inexpensive and easy to use solution then Datavare OST to PST Converter and Softaken OST to PST Converter are good options. SysTools and Stellar have a complete suite of features for enterprise users who require advanced recovery capabilities. Compare the above tools’ functionality, pricing, and ease of use to find the one that best fits your Outlook migration needs.

FAQs (Frequently Asked Questions)
1. What is OST to PST Converter?

OST to PST conversion software is a software application that enables the conversion of Outlook Offline Storage Table (OST) files to Personal Storage Table (PST) files. This enables the user to access the data of their Outlook mailbox, even if the original Exchange Server or Outlook profile is missing.

2. Why I need an OST to PST Converter?

The OST to PST Converter is required when your Exchange Server goes down, your Outlook profile corrupts or you want to migrate mailbox data to another Outlook account. The tool safely converts OST files to PST format without loss of any emails or attachments.

3. What is the best OST to PST Converter software?

There are many reliable tools available such as Datavare OST to PST Converter, Softaken OST to PST Converter, GainTools OST to PST Converter, SysTools OST to PST Converter, Stellar OST to PST Converter, KDETools OST to PST Converter etc. Your choice depends on your price range and features needed.

4. Can I convert a corrupt OST file to PST?

Yes.  Professional OST to PST Converter tools can recover and convert corrupted, damaged or orphaned OST files and preserve the mailbox data.