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Written By
Lovely Baghel -
Approved By
Sonika Rawat -
Updated on
December 23rd, 2025 -
Read Time
7 minutes
EML is a popular format commonly used by email clients, like Thunderbird, Apple Mail, Windows Live Mail, etc. Many backup and archive systems heavily rely on it because EML stores data cleanly as individual files. Outlook, on the other hand, maintains data in its proprietary PST file format. It keeps data organized and optimized for search indexes and long-term data archival. Furthermore, Outlook may open an EML file, but it cannot handle it in bulk. Thus, this blog defines ways to convert EML to PST securely for free or by using an EML to PST Converter Tool without any major loss or data alterations.
EML files contain single messages, but PST files are a unified storage with all the mailbox data, including contacts, calendars, and more. Some significant reasons for EML to PST conversion include:
So, it is required to convert emails from EML to PST to achieve a database-level container for restructuring the mailbox. It will help ensure data is easily searchable, accessible, and shareable, and that properties, metadata, and headers are preserved.
We have two well-known methods for converting an EML file to PST. It involves a manual way with full control and no cost. However, it may require some intermediary applications to complete the conversion. Alternatively, there is an expert, trusted, and verified professional tool that ensures data is converted securely in the minimal possible time.
Outlook, along with Thunderbird, simplifies the process. You can use Windows Live Mail too, if you’re still working on the older systems. The steps are:
Note: You can also choose to convert EML to PST and extract files from Outlook using the Import/Export wizard.
Although it is free, this method is lengthy and complex, especially for non-technical users. Also, it requires multiple applications and technical expertise for accurate conversion. Moreover, only a limited number of emails can be migrated at a time, and there is no guarantee that the data will remain secure and unmodified.
Therefore, it is quite important to trust a professional and get a smart solution, like a converter software.
SysInfo EML to PST Converter is a direct solution that easily overcomes all your manual limitations. It supports batch processing of EML files in a single go and saves them as PST instantly with all the folders, metadata, and structure preserved. Additionally, its easy-to-use interface is suitable for all and works for both Windows and Mac OS. Moreover, it is equipped with some smart filters like duplicate removal, date filter, migrate with or without attachments when you need to convert EML to MSG, PST, PDF, and others.
Tip: For a hassle-free conversion without software installation, avail the One-Time Service from SysInfo’s technical team in the shortest time possible.
Don’t you find it much easier, flawless, quick, and safe?
Real Time Scenario
A legal consultancy in the UK received over 45,000 EML files from many clients for a case audit. Manual conversion attempts led them to broken attachments and incomplete transfers in Outlook. Using the EML to PST Import Tool, they were able to consolidate entire EML data into structured PST files, with no loss or data alterations, saving a lot of time and weeks of manual effort.
Across several IT marketplaces, forums, and admin discussions, user feedback represents:
Explore More: Convert EML to Excel
To sum up, this blog focuses on a deep structural transformation that most users are concerned about these days. It outlines both manual and automated ways to convert EML to PST in a safe, accurate, reliable, secure, and feasible manner without any risks. The freeway can handle only a few EML files and fails at a large scale. The excellent tool works perfectly, providing precision without any additional requirements.
Ans. The optimal way to convert EML files to PST on Mac is using the EML Converter Tool. It supports all versions of Mac OS, and you can add EML files from any email client.
Ans. Yes, the EML Converter Tool by SysInfo allows you to convert multiple EML files at once. It has no restrictions on the count or size of EML files you add to the software.
Ans. With the manual methods, it is quite difficult to preserve the attachments. Yet, with the specialized software, you can keep attachments, metadata, and all other email properties preserved as in the original EML file.
Ans. The best tool to convert EML to Outlook PST is the SysInfo EML to PST File Converter with various advanced filters and batch conversion options.
Ans. MS Outlook directly supports only the PST and MSG file formats. Thatswhy it is unable to open the EML files.
About The Author:
Lovely specializes in technical writing for SysInfoTools Software and has over 2 year of experience writing blogs, and articles about databases & backup, email recovery, email migration & management solutions. Her passion is researching and developing content that helps Office users, professionals, administrators, enterprises, and novices solve multiple problems.
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