Best Email Converter Software for Windows

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Compare the Top Email Converter Software for Windows as of January 2026

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What is Email Converter Software for Windows?

Email converter software allows users to easily convert emails from one format to another. It is useful for consolidating various email clients into a universal format or simply transferring old emails between different programs. Email converter software is usually user friendly and offers an intuitive interface, making it simple to select and convert email files. Many versions of the software are available both for purchase and free online download. Compare and read user reviews of the best Email Converter software for Windows currently available using the table below. This list is updated regularly.

  • 1
    MailsSoftware OST to PST Converter
    MailsSoftware OST to PST converter is a trustworthy solution to repair corrupted OST file data and export Outlook OST to PST, EML, MSG, and MBOX file format. An Outlook is world’s best email desktop client to send and receive the emails, calendars, task, contacts in OST and PST file format. An OST file creates when the email account is configured with MS Exchange server and cache exchange mode is checked. The OST file stores complete mailbox data in structured format. Sometime the OST file becomes unreachable or unable to open due to any reason like Virus Attack, Hardware problems, Modification in MAPI address or Exchange server crashed down etc. Then there is not any method to open and view OST file mailbox data. You have to get third-party software to make OST file readable. Download MailsSoftware OST to PST tool to recover highly corrupted Outlook OST file data along with complete mailbox data.
    3 Ratings
    Starting Price: $49
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  • 2
    Aid4Mail

    Aid4Mail

    Fookes Software Ltd

    Aid4Mail is a fast, reliable, and highly accurate tool to collect, recover, search, and convert emails. It supports most mailbox file formats (e.g. PST, OST, OLM, mbox), IMAP accounts (e.g. Yahoo! Mail, AOL) and popular mail service providers (e.g. Microsoft 365, Exchange, Gmail). Aid4Mail can recover double-deleted messages and corrupted emails, and extract MIME data from certain types of unknown file formats through file carving. Aid4Mail provides a large array of tools to search and filter out unwanted emails during conversion. Save time by using native pre-acquisition filters to download a subset of your mail from Exchange, Office 365, Gmail and other webmail services. Use Aid4Mail’s integrated search engine to cull-down your email collection. Its search operators are very similar to Gmail and Office 365. Aid4Mail is used by Fortune 500 companies, government agencies and legal professionals around the world. It is made in Switzerland by perfectionists.
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    12 Ratings
    Starting Price: $59.95
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  • 3
    eSoftTools OST to PST Converter
    Perfect OST to PST Converter Software is the most recommended tool for Offline OST file recovery and conversion. 100% OST to PST conversion quality is given through its unique OST recovery technology that makes it more trustable and reliable software. The tool extracts OST mailbox emails, contacts, calendar, and email attachments and converts OST to PST file in just a minute. Quick tool for unlimited OST to PST Conversion. Supports all versions of OST files.
    6 Ratings
    Starting Price: $29
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  • 4
    Zook OST to PST Converter
    Get one of the best OST to PST Converters to batch export offline Outlook data (.ost) files into PST format for Outlook. With this tool, you can easily convert OST files into PST format along with embedded data items such as email, contacts, calendars, tasks, notes, custom folders, predefined folders, etc. After the successful conversion, you can directly import OST to Outlook 2019, 2016, 2013, 2010, 2007, etc. without any trouble. It is a hassle-free solution to export multiple OST files into PST format for Outlook without any problems. ZOOK OST to PST Converter does not require any installation of Microsoft Outlook in the system. It easily converts OST to PST without Outlook and permits you to import OST to Outlook. This OST to PST software is an independent utility that successfully export OST to Outlook without losing any data. ZOOK OST to PST Converter allows users to convert OST to PST format along with all the data items.
    5 Ratings
    Starting Price: $49 one-time fee
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  • 5
    BitRecover

    BitRecover

    BitRecover Software

    Get the solution for all your problems to recover, repair, convert, view, export, and backup your database. Award Winning Products to Recover Lost Data, Repair Corrupted Files and Email Conversion. BitRecover is the name that most of the IT admins and computer users trust for their data management and data recovery needs. As our brand name says BitRecover, so our motive is to recover every possible bit of data. BitRecover is a Sub-Brand of RecoveryTools. We provide variety of solutions to cater the user demand related to Windows data recovery, Virtual Drive data recovery, VMFS partition data recovery, Storage Media Data Recovery etc. Applications for email conversion and password recovery also makes our product gallery rich.
    10 Ratings
    Starting Price: $29 one-time payment
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  • 6
    Kernel for OST to PST Converter
    Kernel for OST to PST Converter is a powerful recovery and conversion software designed to repair and recover OST files from corrupt and damaged Exchange mailboxes. This software helps in migrating OST files to PST files. It has a highly advanced algorithm that performs a thorough scan of the corrupt OST files and recovers all the crucial data items such as emails, attachments, contacts, calendars, tasks, notes, journals, etc. It also provides various saving options like MSG, EML, HTML, RTF, Office 365, and Live Exchange Server. Additionally, the software offers multiple preview options, like Hex, MIME, HTML, and RTF, to help you view the recovered data items before saving them. You can even split the resultant PST files into smaller parts, or compress them to save disk space.
    2 Ratings
    Starting Price: $49
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  • 7
    ATS OST to PST Converter
    Use the amazing and 100% safe OST to PST Converter which has the advanced algorithms to recover the corrupt Outlook mailbox containing various components like Emails, contact, calendar, journal task, drafts, notes, deleted items, and attachment etc. you can convert single and multiple mailboxes which make this tool effective and interesting and smart for every Outlook users who are suffering from OST corruption problem. With the help of this program, you can see a preview of the recovered mailbox and you always select those file which you want to convert from OST to PST and other formats like MSG, HTML, vCal, vCard, MBOX, EMLX, and EML. Apart from its support cloud-based application Office365 & Live Exchange Server for future use.
    2 Ratings
    Starting Price: $39
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  • 8
    Regain

    Regain

    Regain Software

    Enjoy seamless conversion with proficient OST to PST Converter tool to retrieve inaccessible and corrupt OST files. It helps corrupt items like email, tasks, contacts, calendars etc. Ever since the start, the sole motive of Regain Software has been to offer a wide range of complete recovery and repair solutions for emails so as to better help companies, data technicians, and even the general audience to recover lost contacts, emails, and many other things. When your OST files are severely corrupted, you can recover and save into Outlook PST/EML/MSG/HTML format using Regain OST Recovery Tool. If your PST Tool is corrupted and you are unable to access the data stored, use the Regain PST recovery tool to recover and convert multiple files into different formats namely EML/MSG/HTML/MBOX/RTF. removing duplicate data is a matter of seconds as this tool enables you to remove duplicate content including duplicate emails, attachments, calendars, contacts, notes, etc. from one or more files.
    2 Ratings
    Starting Price: $49.00/one-time/user
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  • 9
    Softaken EML to PST Converter
    Softaken EML to PST Converter is the best and most professional tool to convert EML files to Outlook PST file format. The software can migrate EML and EMLX files to Outlook PST file format. Technical users and non-technical users can also convert EML files to Outlook PST file format. There is no need for any additional software to convert EML files to Outlook PST file format. The app provides a complete preview of the EML files before the conversion process begins. The computer utility can export EML and EMLX files to Outlook PST file format. There are no possibilities of data loss when the conversion process begins. No need for any technical experience to work with this app. The software also preserves the EML meta-data properties when the conversion process begins. There are batch and single EML file conversions available that help users select EML file conversion. This professional utility provides conversion in 2 modes file or folder mode. Get a Free demo version of this software.
    2 Ratings
    Starting Price: $29
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  • 10
    Softaken OST to PST Converter
    We are living in an era where life has become easy. All thanks to the technology that has given us the opportunity to think beyond our imagination. There was a time when additional technical assistance required to be hired. Nowadays, multiple tasks are now performed with the help of software. For the conversion-related task, there is no need for hiring additional manpower. A conversion program performs migration with just a few clicks. The Softaken OST to PST Converter is one such application that exports OST to PST effortlessly. Moreover, it converts OST to multiple other formats. We will discuss the key feature of the program, but before that, it is essential to learn the reason for conversion. Why Convert OST to PST? OST and PST support MS Outlook for Windows. Even both of them support MS Outlook, users cannot access OST files directly to PST or vice versa. MS Outlook restricts users to open data directly from one email file format to the other.
    2 Ratings
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  • 11
    Total Mail Converter Pro
    Total Mail Converter Pro converts MSG and EML to PDF, DOC, TXT, HTML, HTMLX, TIFF, RTF documents and images (TIFF, JPEG). While other email converters only extract and save attached files in their original formats, the Pro version is unique - it converts attachments as well. For example, if you have an email with a doc attachment, Total Mail Converter Pro can convert both the message and the attachment to PDF as part of a single operation. Total Mail Converter Pro is built around a powerful engine and was designed to help save hours if not days worth of time. It easily processes hundreds of thousands of MSG/EML files through its batch feature, and puts you in the driver's seat through a robust set of customization options. If you need a server version with ActiveX try Total Mail Converter ProX (this functionality can be easily integrated with your own app).
    1 Rating
    Starting Price: $24 one-time payment
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  • 12
    Magus OST to PST Conversion Tool
    Magus OST to PST conversion tool is a unique solution which convert OST files into PST file format in the most pocket friendly prices. We focus on users with a small or handful of OST files to migrate into PST but do not like to invest a huge amount. The tool has all the features necessary for the complete migration of data from OST files into PST file format. If your OST file is showing error message and you want to fix the issue then OST to PST converter can help. This tool can read corrupt OST file and convert it to healthy accessible PST file that you can open in MS Outlook or Office 365 account easily. Besides OST to PST, this converter is capable to export OST into other file formats like MBOX, EML & MSG. If you want to open OST file in Thunderbird then you can opt MBOX format to save OST as MBOX. Similarly, you can select EML or MSG depending upon your need.
    1 Rating
    Starting Price: $29
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  • 13
    Sysinfo OST to PST Converter
    SysInfo OST to PST Converter Software efficiently converts OST to PST format without the hassle and with 100% data accuracy. It is a risk-free utility that converts OST files to other file formats and email clients. Further, It efficiently exports emails, contacts, journals, tasks, and to-dos. Besides, It also exports all mail properties such as email headers, cc, bcc, date, and subjects. It supports Windows 11 and all major versions of the Windows operating system. Users can save Exchange OST files to Outlook PST, MSG, PDF, DOC, DOCX, DOCM, TIFF, PNG, GIF, JSON, HTML, MHTML, EML, MBOX file formats. It offers more features such as the Date Range Filter option, mail filter & task filter option, custom folder name, and many other prominent features. It provides an easy-to-use graphical user interface so both novice and non-technical users can able to run the tool without hassle. This tool permits users to import the first 50 emails per folder for free using its demo version.
    1 Rating
    Starting Price: $49
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  • 14
    Stellar Converter for OST

    Stellar Converter for OST

    Stellar Data Recovery Inc.

    Stellar Converter for OST is an advanced software for converting the inaccessible OST file into PST file and extract the mailbox data with 100% precision. The tool also allows the user to Split or Compact the output PST file with options to export the PST file directly to Live Exchange or Office 365. In several scenarios, you may find this tool of great help. For example, In case there is need to Extract Mailbox Data from OST File especially when you delete a user mailbox from Exchange and there is no backup, the only way to access the mailbox data is through the OST file. However, you cannot recreate or rebuild OST file if the Exchange user account is deleted from Active Directory. Stellar OST converter tool converts the inaccessible OST file and extracts the mailbox items in a PST file. Likewise, when there is need to migrate deleted mailboxes without backup.
    1 Rating
    Starting Price: $79
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  • 15
    ATS NSF To PST Converter
    ATS NSF to PST Converter is excellent with Professional tool that easily Imports or Recover the entire data from IBM Lotus Notes NSF file to Outlook PST file easily and safely. This application design to a perfect conversion process to easy and smooth Lotus Notes to Outlook PST file, office365 & Live Exchange Server. By taking the help of this tool you can convert lots of NSF file in at one time. This tool support overall version of Lotus Notes 9.0.1, 9.0, 8.5, 8.0.2, 7.0, 6.5 and 6.0. The working process of ATS Lotus Converter Software is safe and secure which is very useful for users. In this Software available preview option, you can see the recovered mailbox before the actual conversion in HTML and TEXT file type. This Software is available multiple advantages gives multiple saving formats like office365, Live Exchange Server, PST, EML, vCal, EMLX, MBOX, vCard, MSG and CSV for restoring NSF data in a safe mode.
    1 Rating
    Starting Price: $59 one-time payment
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  • 16
    SysVita OLM to PST Converter
    SysVita OLM to PST Converter Software is a perfect and multi-functional tool to easily recover lost data from Mac Outlook OLM files and advanced conversion process to Export OLM to PST, Gmail & Office 365. This Migration tool, migrate all mails components as Message, From, To, Subject, Date, & attachments, etc of Mac Outlook to Windows Outlook PST, and other files EML, EMLX, MBOX, PDF, HTML, RTF, and contact in vCard file formats. In the migration process, the software allows the Export mac OLM file to Office365, Live Exchange Server, Gmail, Yahoo, & AOL Accounts. Not only does this tool perform the conversion process, but it is also a complete solution to deal with damaged Mac Outlook OLM files.
    1 Rating
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  • 17
    Conholdate.Total For .NET
    Conholdate.Total for .NET is the complete package of all .NET APIs as offered by Aspose and GroupDocs. It empowers the developers to perform a wide range of document processing tasks from within their own .NET based applications. This .NET package is an all-in-one solution for all types of document managements systems because it offers the ability to create, edit, print, view, annotate, compare, sign, automate, search and convert between a wide range of popular document formats. Process a Multitude of File Formats - Conholdate.Total for .NET empowers you to build an incredibly versatile file processing system capable of handling many popular file formats. You can easily open, create, modify and convert file formats. Conholdate.Total for .NET currently supports following file types: Microsoft Word documents Microsoft Excel spreadsheets Microsoft PowerPoint presentations Adobe PDF documents Microsoft Outlook Microsoft Project files and more than 100 other file formats
    Starting Price: $4,999
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  • 18
    MailsSoftware MBOX to PST Converter
    MailsSoftware MBOX to PST Converter tool is trustworthy and reliable solution for perfect MBOX to PST conversion. If you are looking for a solution to export MBOX file data to PST or Thunderbird to MS Outlook migration, then this is perfect answer. The software can easily convert MBOX data file to PST, Thunderbird to PST, Apple Mail to Outlook PST, and Postbox to PST file format. Before performing the conversion task, it shows the preview of complete MBOX data file.
    Starting Price: $39
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  • 19
    MailConverterTools

    MailConverterTools

    Mail Converter Tools

    We Provide Trusted Products for Businesses, Enterprises, and SMEs to Export, Backup, and Convert email on Windows Operating System. Let’s Explore some of the Most Demanded Windows software for Email Migration & Management, Cloud Backup & Migration, Data Recovery, PDF Management & Migration. We Offer Simplified and Top-Notch Solutions for Mac users in the field of Email Conversion, Email Migration, Splitter Tool, Cloud Backup. Our expertise in Designing, Developing, and Providing a wide range of applications. In Addition, we have 1 million customers, 10 years of experience, awarded, 100% Money-Back Policy, 24*7 Customer support makes us the first choice of users. We Offer Simplified and Top-Notch Solutions for Mac users in the field of Email Conversion, Email Migration, Splitter Tool, Cloud Backup.
    Starting Price: $99
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  • 20
    MailsDaddy OST to PST Converter
    The MailsDaddy OST to PST Converter is a helpful tool that can easily recover and convert offline OST files to PST format in a single click. Users can also convert the OST file database into EML, MSG, MBOX, RTF, HTML, EMLX, MHTML, Office 365, Live Exchange, and many more without any modifications in the original data. This OST file converter tool has the ability to convert multiple OST files to separate or single PST files without trouble. It can convert large OST files into smaller PSTs with full accuracy. Furthermore, users don't need to install and configure MS Outlook or Exchange server to follow the OST conversion process. It is compatible with every Windows operating system. The main benefit is here that users can import the converted PST file to any Outlook version, including Outlook 2019 and 2016, 2013, etc. The OST to PST converter software comes with a free demo version pack in the market that enables users to exports the first 20 emails items per mailbox without any cost.
    Starting Price: $49/license
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  • 21
    BitVare MBOX Converter

    BitVare MBOX Converter

    BitVare Software

    MBOX Converter is capable to convert MBOX files from 20+ email clients. One can Convert bulk MBOX Files to PST, PDF, HTML, EML, MSG, EMLX, IMAP, etc. MBOX Converter provides multiple data preview options that will help its users in forensic and litigation purposes. MBOX Converter also calls a Forensic MBOX viewer and help users investigate MBOX file deeply. MBOX Converter perfectly works for digital forensic purposes. Also, provide the option to export directly MBOX files to Office 365, Gmail, Outlook.com, Thunderbird, etc. Maintain email's original formatting and folder structure after the MBOX File Conversion. The tool is well designed with an innate viewer option that helps users to preview email and their attached documents before the conversion. It will provide you Hex View and Raw View for examining MBOX Files for digital investigation.
    Starting Price: $29 one-time payment
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  • 22
    SYSessential NSF to PST Converter
    Sysessential NSF to PST Converter is a fully examined solution to convert NSF file data items to PST format. All emails, calendars, notes, tasks, journals, etc. are securely converted from Lotus Notes to Outlook files. This program also permits users to convert NSF emails to MBOX, EML, EMLX, and MSG formats with attachments. With a few easy clicks of the mouse, the software performs NSF file to PST conversion. By the proper installation of Lotus Notes, users can export NSF emails to PST format without any hassles. There is no necessity to have Outlook in the system to transfer NSF mailbox data to PST file. Without any hassles, NSF data to PST format is smoothly exported by this application. This powerful utility is too advanced in functions and easy to handle. By retaining the actual structure of the NSF file and maintaining formatting, the app exports NSF to Outlook 2019, 2016, 2013, 2010, etc.
    Starting Price: $99
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  • 23
    ToolsGround OST to PST Converter
    OST to PST Converter which is developed by ToolsGround helps you convert your information data from offline OST files to a different file format such as PST, EML, MBOX, and MSG format within a few seconds. The software can easily read corrupted OST files and view the Red Mark indication on the list during the loading procedure, then efficiently ship the items stored in each folder. It can migrate all mailbox folders like emails, contacts, spam notes, drafts, contacts, calendar entries, to-do lists, and even sync issues information to Outlook PST file. Search Option that allows users to see the OST files from any drive. Users can export all data from OST files to Cloud storage like Office 365 and Gmail servers. The software works on all versions of MS Outlook including Outlook 2019 and all Windows OS.
    Starting Price: $49
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  • 24
    Xtraxtor Email Converter
    A reliable and secure solution to export emails from mailbox data files into different file formats. This Email Converter allows users to convert email files into PST, MBOX, PDF, HTML, CSV, EML, ICS, vCard, and TEXT in a single attempt. This is a professional tool that allows you to convert emails from the most popular email clients and servers into multiple file formats. With a simple user interface and advanced filters, the user can export their emails to the desired format without losing important data. Without worrying about data file size and quantity, Xtraxtor Email Converter helps to easy and accurate conversion. The email conversion tool allows you to export and transfer emails to different file formats. It depends on the user's needs, and which file export option they choose. It offers a variety of saving options like PST, MBOX, OST, EML, MSG, HTML, CSV, PDF, TEXT, vCard, and ICS. You can choose any file format to save your mailbox data in the proper format.
    Starting Price: $49 one-time payment
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  • 25
    PCDOTS Email Converter
    PCDOTS provides the Best Email Converter Tool.It is specialized software that allows you to convert emails from the most popular desktop email services. Using this advance tool, emails can be converted as standard email file types along with all email attachments. So, are you one of those who require email conversion but are unable to find the appropriate solution? If yes, do not waste your time now. Simply download the best mail converter. Email Converter software is compatible with all widely used email application data files. Our experts have decoded nearly all email file types and their associated file structures. PCDOTS Email Conversion Freeware is an advanced solution for the migration of mails to different file formats.
    Starting Price: $49 per year
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  • 26
    Email Studio .NET
    Email Studio is an enterprise grade email and storage viewer, parser and converter. Email Studio fully supports MIME and MAPI plus generic Windows, MacOS and Linux formats. Your all-in-one (20+) multi format email and storage processor with embedded RBL, DKIM and Tracer in addition to the unmatched enterprise storage tools. ► Calendar Converter/Merger/Splitter ► Contact Converter/Merger/Splitter ► Remote Server Certificate Validator ► Email Converter/Downloader/Validator ► Email/Storage Based File Format Detector ► Send Custom POP3/IMAP4/SMTP/DNS Commands ► Storage Converter/Extractor/Merger/Splitter/Builder/Downloader
    Starting Price: $0
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  • 27
    Email Converter .NET
    Email Converter is a powerful tool for converting and extracting different email, calendar, contact and storage files from popular email clients. Email Converter fully supports MIME and MAPI plus generic Windows, MacOS and Linux formats. ► Calendar and Contact Converter/Splitter ► Email Converter and Storage Extractor ► Storage Extractor ► EML/EMLTPL/MHT/MHTML/HTML/EMLX/MSG/OFT ► PST/OST/OLM/MBOX ► VCF/VCS/ICS ► MCDF MSO ► TNEF DAT
    Starting Price: $0
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  • 28
    SoftTweak OST Converter
    No doubt that the OST migration tool is ultimate solution and its graphical user interface is effective for all users (technical or non-technical). It works in only three simple steps yet it is capable to convert multiple PST files into other file format at once. (To select multiple files, press Ctrl key + Click on the files) OST Converter successfully completes al migration process and provides effective resultant files in few moments. Basically, it converts OST file in multiple file formats. The multi-talented OST to PST converter tool is effective solution and has capability to export large-size OST files into PST for Outlook at once. During the complete migration of OST in PST, it also displays complete progress status of the migration which shows the number of files converted during the process. Therefore, users can simply check the status of the software working. Moreover, the OST Converter software works smoothly and also maintained all mails and other data properties.
    Starting Price: $69 one-time payment
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  • 29
    SoftSpire Zimbra Converter
    Zimbra Converter is a comprehensive tool, designed to convert Zimbra Mailboxes to multiple applications, with full precision. A complete migration utility, Zimbra Mail Converter moves all the emails, contacts, notes, tasks, calendars of multiple user profiles into format, to be further imported into various applications. The software creates individual file for every mailbox, allowing easy management of all user accounts. Tested with around 20000+ files, the software offers smooth Zimbra mailbox conversion, thereby eliminating any kind of file size limitation and promoting large scale migration. A Windows based tool, Zimbra Converter works on Windows 10 and all its earlier editions. While carrying out the Zimbra Mailbox conversion, software retains the same Zimbra folder structure thoroughly in MS Outlook, without any change or damage.
    Starting Price: $299 one-time payment
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  • 30
    PstViewer Pro™

    PstViewer Pro™

    Encryptomatic

    PstViewer Pro™ is a viewer for opening, searching and converting different kinds of email content, including .pst, .ost, .msg, .eml, and .mbox files. Use PstViewer Pro to convert emails between different formats. Save email and file attachments as PDF documents. Bulk export and convert emails Also supports bulk printing of emails. Download the free 15 day trial.
    Starting Price: $79.99
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