Top 3 Best OST to PST Converter Tools of 2025

Reasons to Download OST to PST Converter

The specific causes of using the best free OST to PST converter to convert OST to PST are:

• Recover important data in case of corruption or losing access to Exchange Server.
• Creating a backup of the mailbox data to protect it from unfortunate events.
• PST files are easy to transfer and suitable for all system versions.
• Converting OST to PST helps access archived OST emails easily anytime and anywhere.
• OST to PST Converter has smart features and completes tasks in just no time.

Top 3 Best OST to PST Converter Tool

Here, we have shortlisted the most appropriate software to convert OST to PST in Outlook. They provide an exceptional experience and streamline the conversion process. These are:

• SysInfo OST to PST Converter
• MailConverterTools OST to PST Converter
• EmailPro Help Outlook OST to PST Converter

These are explained in detail below. All are tested and verified by experts, explore them and choose one as per your preferences.

SysInfo OST to PST Converter

It is one of the top OST to PST converter software. This excellent utility swiftly converts OST files to PST within seconds. It ensures 100% accuracy without data loss. This tool converts all mailbox items including contacts, calendars, notes, tasks, and more. Along with that, it ensures data integrity is preserved and maintains folder hierarchy. Moreover, this utility has no file size limitations.

Exceptional Features of Automated Tool

• Migrates OST to Gmail, Office 365, Yahoo, AOL, and other email clients.
• Convert OST to MSG, MBOX, PST, CSV, EML, EMLX, etc. file formats.
• Allows to perform batch migration of OST files at once.
• Supports OST files available for all versions of Outlook and MS Exchange.
• Provides a preview feature and mail filter for selective conversion.
• Offers filters to remove duplicates, split PST, manage attachments, and more.

Steps to Use OST to PST Converter Free Software

1. To begin, install and launch the tool on your system as an administrator.
2. Hit either Single File/Multiple Files or Select Folder radio button. Tap Next.
3. Further, click Select File(s) or Select Folder to browse OST files.
4. Then, search and select the OST file. Click Open to add and then, hit Next.
5. Afterward, expand the tree format to preview and select files. Click Next.
6. Then, click File Formats and choose PST from the drop-down menu.
7. Subsequently, select the additional filters to apply to the resultant file.
8. Additionally, click Path to Save and specify a destination to save the file.
9. At last, hit Convert to finally change OST to PST.
10. Once done, you can click Download Report to view the conversion report.

MailConverterTools OST to PST Converter

If you are looking for the second-best OST to PST converter tool, then MailConverterTools provides the perfect solution. This tool performs safe and secure OST to PST conversion without much hassle. It has an interactive and easy-to-use interface and is suitable for both technical and novice users. This comprehensive tool is a risk-free solution to convert Outlook OST to PST, MBOX, MSG, HTML, and other file formats.

Key Features to Download OST to PST Converter by MailConverterTools

• Maintains folder hierarchy and integrity of data throughout the process.
• Compatible with all versions of MS Outlook and Windows-based systems.
• Migrates OST files to Office 365, Thunderbird, Zoho, Hotmail, and other email clients.
• Advanced Preview feature to view data content including attachments.
• Options to remove duplicates, apply task filters, and provide custom folder names, etc.
• Also, create a Log Report of the OST conversion process.

EmailProHelp Outlook OST to PST Converter

It is an efficient software for converting OST files. This versatile utility is the third-best OST to PST Converter tool. It securely converts large OST files in bulk without any restrictions. This tool moves the entire mailbox including folders and subfolders to PST. It has high compatibility with all Windows OS. Along with that, it supports OST files created by different Outlook versions.

Distinctive Features of the Specialized Software

• Transfers OST files to PST, CSV, TIFF, JPG, DOC, and other image and file formats.
• Export OST to Gmail, Yahoo, Zoho, Office 365, iCloud, Thunderbird, etc. email clients.
• Simple and intuitive interface that even novice users can understand.
• Option to Split Resultant PST that are too large.
• Converts and migrates email, contacts, calendars, tasks, notes, journals, etc.
• OST to PST converter free software is available to evaluate its performance.

Conclusion

To sum up, converting OST to PST is a crucial task for numerous reasons and has several benefits. Undoubtedly, there are various options available in the market. However, choosing the right tools is necessary for avoiding eros and data loss. Thus, this blog specifies the best OST to PST converter solutions that execute tasks easily without worries.

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About The Author:

Simran Bhatia

Simran Bhatia is a technical content writer engaged in writing clear, concise, and SEO-optimized content. With a background in computer science and a passion for writing, I thrive to deliver complex technical content in simple layman terms.