Top 5 Best OST to PST Converter Tools in 2025

Are you looking for the best OST to PST Converter tools to convert emails from OST file into PST format? If yes, then here is the list of the conversion tools for you.

Microsoft Outlook uses 2 types of files to save your mailbox data– OST and PST. With the OST file OST you can work offline, and when you reconnect with the network, the updates automatically sync. On the other hand, PST is a shareable file that can be accessed on any system that has Outlook installed on it.

However, sometimes users can face some problems like a server crash, profile deletion, or OST file corruption that stops them from accessing their emails. In such cases, the best option is to convert OST to PST file. Manually converting OST emails is not complex, but if the OST file is inaccessible, then it is not possible. In that situation, a professional OST to PST converter tool is required.

Today, in this post, we will list the best and efficient OST file to PST Converter tool. let’s begin. Before that, let’s talk about the points you should keep in mind while selecting a conversion tool.

Points to Remember When Choosing the Best OST to PST Converter

When you are searching for the converting tool, find whether that tool has these features –

• Speed & Performance – The tool must convert your emails within a time and error-free.
• Large File Support – It must support exporting emails from a large OST file without affecting its data.
• Corruption Handling – If the OST file is corrupted, then this tool is effective enough to convert its emails.
• Compatibility – The tool must support the OST file from Outlook 2021/2019/2016 and all other versions.
• Data Integrity – While converting emails, it must maintain folder hierarchy, metadata, and attachments.
• Additional Features – Some other features include: preview mode, selective folder conversion, and multiple export options.

Keeping these factors in mind, let’s explore the top 5 best tools for OST to PST conversion in 2025.

Top 5 Best OST to PST Converter Tools

Here is the complete list for the users who are looking for a secure and efficient tool to convert OST to PST file. Here we will mention 5 different tools with their features, pros, and cons. Read them and find out which one you find suitable for you.

1. BLR OST to PST Converter Tool

With this tool, you can easily convert your emails without any hassle. This OST File Converter is efficient enough to export emails from orphaned or corrupted OST file without any hassle.

• Key Features:
• Also convert OST to PDF, EML, MSG, MBOX, and more.
• Offers a date range filter for selective conversion
• Removes duplicate items during conversion.
• Support converting orphan, damaged, or inaccessible OST file.
• Maintains 100% data integrity and hierarchy.

Pros:

• Multiple export options.
• Built-in filters save time and storage.
• Preview mode to view emails before conversion
• Affordable pricing for personal and business use.

Cons:

• The interface could be more modern.

2. SysTools OST to PST Converter

SysTools is one of the secure ways to convert your emails without any hassle. Its simple user user-friendly interface makes conversion easy for both technical and non-technical users.

Key Features:

• Converts OST files into various file formats.
• Email filters to convert selective emails.
• Provides a preview of your emails.
• Supports both Windows and Mac OS.

Pros:

• Fast and reliable for enterprise-scale conversions.
• 24×7 technical user support.
• Works with the latest Windows and Outlook versions.

Cons:

• Slightly expensive for individual users.

3. Kernel OST to PST Converter

This Converter is another powerful solution designed for fast, error-free OST to PST conversion. Also convert OST emails into multiple file formats.

Key Features:

• Converts OST emails along with attachments.
• Simple and user-friendly interface.
• Allows converting selective mailbox items.
• Preserves metadata, structure, and attachments.

Pros:

• Simple to use interface.
• Quick email conversion with ease.
• Convert emails without any data loss.

Cons:

• Free trial converts limited emails.

4. Webbyacad OST to PST Converter Tool

WebbyAcad is also a known name in data recovery, and its OST to PST Converter is for both beginners and professionals. With its efficient working, one can convert their emails in a few simple clicks.

Key Features:

• Converts inaccessible OST to PST with full data integrity.
• Preview mode to read emails before converting.
• Allows for selective folder conversion.
• Exports data to PST and many file formats.

Pros:

• Very easy to use with a modern interface.
• Handles oversized OST files.
• Great customer support and documentation.

Cons:

• The trial version supports limited conversion.

5. Cigati OST Converter Tool

This conversion tool is a budget-friendly option for email conversion. With adequate features within the limited budget, this tool is best for personal users.

Key Features:

• Converts OST to PST and a few other file formats.
• Email filter options to convert selective emails.
• Emails preview options to view your emails.
• Compatible with all Outlook versions.

Pros:

• Affordable compared to competitors.
• Offers a free demo with limited conversion.
• Easy-to-use interface.

Cons:

• Not as powerful in handling highly corrupted OST files.

Here is the complete list of the best OST to PST Converter Tools in 2025. All these software offers a free trial, download it and find your self which one is best for you. We hope this article helps clear your confusion and guides you in finding a secure and efficient tool to convert your emails