Best Free OST to PST Converter Software of 2025

WebbyAcad PST converter Tool converts Outlook Personal Storage (PST files) to other formats. Recover emails, contacts and calendars from damaged or inaccessible PST files. Maintain data integrity when converting to EML (or MSG), MBOX (or MBOX), etc.

Aid4Mail is a leading email processing tool from Switzerland. It comes in three editions: 1. Use Converter to collect and convert emails accurately, fast, and reliably. It supports all popular mail services (e.g. Office 365, Gmail, Yahoo! Mail) and mailbox file formats (e.g. PST, OST, OLM, mbox). It’s also a popular solution for preparing mail ingestion into archival, eDiscovery and forensics platforms. 2. Investigator adds powerful search queries based on Gmail and Microsoft 365 syntax, native pre-acquisition filters and Python scripting. Use its forensic features to recover deleted and hidden email, and process corrupt or unknown mail formats. 3. Enterprise adds support for Google Vault, Mimecast, and Proofpoint exports. Use it to migrate your company mail to live accounts (IMAP, Microsoft 365, Gmail). You can integrate its CLI seamlessly with your own tools. Enterprise offers flexible licensing options including installation on a server or on a shareable flash drive. Aid4Mail is used by Fortune 500 companies, government agencies and legal professionals around the world.

Experience effortless file conversion with the advanced OST to PST Converter tool, designed to restore inaccessible and damaged OST files. This tool effectively retrieves corrupted elements, such as emails, tasks, contacts, and calendars. Since its inception, Regain Software has been dedicated to providing an extensive suite of recovery and repair solutions for email data, thereby assisting businesses, data professionals, and everyday users in the recovery of lost emails, contacts, and more. In instances where your OST files suffer significant damage, the Regain OST Recovery Tool allows you to recover and export your data into various formats, including Outlook PST, EML, MSG, and HTML. Additionally, if you find your PST file is compromised and you're unable to access your stored information, the Regain PST Recovery Tool can assist in recovering and converting multiple files to different formats such as EML, MSG, HTML, MBOX, and RTF. Furthermore, eliminating duplicate data becomes a swift task, as this tool empowers users to effortlessly remove redundant content, encompassing duplicate emails, attachments, calendars, contacts, notes, and more, across one or multiple files. Ultimately, Regain Software aims to enhance data recovery experiences for its users, streamlining their workflow and boosting productivity.

Stellar Converter for OST, an advanced software that converts the inaccessible OST files into PST files and extracts mailbox data with 100% precision, is available. The tool allows you to split or compact the output PST file and export it directly to Live Exchange or Office 365. This tool can be very useful in many situations. This tool can be used to extract mailbox data from OST files, especially when you delete a user account from Exchange. If the Exchange user account has been deleted from Active Directory, however, it is not possible to rebuild or recreate OST files. Stellar OST converter tool converts inaccessible OST files and extracts mailbox items into a PST format. This tool is also useful when you need to migrate mailboxes that have been deleted without backing up.

An efficient and secure method for exporting emails from mailbox data files into various formats is available. This Email Converter provides users with the capability to transform email files into several formats, including PST, MBOX, PDF, HTML, CSV, EML, ICS, vCard, and TEXT all at once. It is a professional-grade tool that enables the conversion of emails from widely used email clients and servers into multiple file formats. Featuring an intuitive user interface and advanced filtering options, users can seamlessly export their emails to their preferred format without risking the loss of crucial information. The Xtraxtor Email Converter ensures easy and accurate conversion, irrespective of the size or number of data files involved. This email conversion tool allows users to transfer and export their emails to different file formats depending on their specific requirements and the selected export option. With an array of saving choices such as PST, MBOX, OST, EML, MSG, HTML, CSV, PDF, TEXT, vCard, and ICS, users can conveniently select the file format that best suits their needs for storing mailbox data correctly. Ultimately, this versatility makes it a valuable resource for anyone looking to manage their email data effectively.

PCDOTS offers an exceptional Email Converter Tool designed specifically for converting emails from leading desktop email platforms. This innovative software enables users to transform their emails into standard file formats, ensuring that all attachments are preserved during the process. If you find yourself in need of email conversion but struggling to discover the right solution, your search ends here. Don’t hesitate to download this top-tier mail converter right away. The Email Converter software is compatible with data files from all major email applications, making it a versatile choice. Our team of experts has thoroughly analyzed and decoded a vast range of email file types and their structures. Additionally, PCDOTS Email Conversion Freeware stands out as a sophisticated option for migrating emails to various file formats, facilitating seamless transitions for users. Whether you're moving for personal or professional reasons, this tool is designed to meet your email conversion needs efficiently.

The OST migration tool stands out as an exceptional solution, featuring a user-friendly graphical interface that caters to both technical and non-technical users alike. With its straightforward three-step process, this tool efficiently converts multiple PST files into various formats simultaneously (users can select multiple files by holding the Ctrl key and clicking on the desired files). The OST Converter completes the entire migration swiftly, delivering effective output files in a matter of moments. Essentially, it allows for the conversion of OST files into numerous file formats seamlessly. This versatile OST to PST converter is a powerful tool that can handle large OST files and export them into PST format for Outlook in a single operation. Throughout the migration process, it provides real-time progress updates, indicating the number of files that have been converted, enabling users to monitor the software's performance easily. Additionally, the OST Converter operates seamlessly while preserving all email and data attributes, ensuring a reliable and efficient migration experience. Users can confidently rely on this tool to maintain the integrity of their data while streamlining the conversion process.

vMail OST-to-PST Converter Software is an email converter and recovery tool for Microsoft Office Outlook offline stored data. This tool can recover email, contacts and calendar from corrupted or encrypted OST files and export all data to a healthy PST file. This OST Converter software converts OST to many other formats such as MSG, MBOX EML, EMLX, vCard and vCal. It also exports all data to a new healthy PST file.

The best OST to PST Converter software is available to convert corrupted orphaned OST files into Outlook PST format. The software uses advanced algorithms to ensure that OST data is safe and secure during conversion. The OST Recovery application exports all OST data, including emails, contacts, calendars, notes, journals, and contacts. into MS Outlook PST format. This single-click migration solution allows you to export Outlook OST mailbox data into PST format. The OST to PST Converter has advanced features: It supports bulk export of OST to PST formats. Quickly migrate Outlook data file to Outlook PST. It is easy to convert OST to PST in just one click. Compatible with all versions of MS Outlook and Windows OS. Supports Windows 10, 8, 7, XP, and all previous versions.

Cigati OST-to-PST Converter utility is one the most powerful and advanced utilities that can convert OfflineOST files to PST. MBOX, EML, EML, and MSG formats. It is the fastest and most secure way to convert OST files into Outlook PST files. This utility can transfer attachments such as emails, calendars and contacts, journals, notes, tasks, journals, tasks, and so on. Your OST files can be converted to the PST format. The utility comes with advanced features such as data integrity and auto-search. The software maintains the hierarchy of items in your Office OST files. Cigati OST Converter can convert files in good condition. It can also convert corrupted OST files after recovering them with the utmost accuracy. This utility allows users to convert Offline OST files to the PST or other file formats.

Revolutionize the way you transfer, safeguard, and oversee your data across a multitude of cloud platforms. With over 15 million satisfied clients, our offerings have garnered loyalty from a vast majority who consistently choose CloudMigration software as their preferred option. Our suite of migration tools caters to diverse needs, making it the ultimate destination for tasks such as moving Gmail to Yahoo or Zoho Mail to iCloud. The expertise of our software development team, composed of seasoned professionals, ensures the creation of high-quality applications that are not only swift and efficient but also highly reliable, functioning seamlessly on both Windows and Mac operating systems. Notably, our products have been recognized by leading IT brands as top-tier solutions for cloud migration. Additionally, our collaborations with prominent companies such as Dudley, Cisco, Capgemini, and Bupa further solidify our reputation in the industry. CloudMigration is dedicated to continuously enhancing our software to meet the evolving needs of our valued users.