List of the Top 8 OST to PST Converter Software in 2025

WebbyAcad's PST converter tool efficiently transforms Outlook Personal Storage (PST files) into various other formats. It enables the recovery of emails, contacts, and calendars from PST files that may be damaged or hard to access. Additionally, the tool ensures that data integrity is preserved during conversions to formats such as EML, MSG, and MBOX, among others, making it a versatile solution for users dealing with PST file issues.

MailsSoftware OST converter is a reliable solution for repairing damaged OST files and allows users to export Outlook OST files into formats such as PST, EML, and MBOX. Outlook stands out as a top-tier email client for managing emails, calendars, tasks, and contacts in both OST and PST formats. An OST file is generated when an email account is set up with an MS Exchange server and the cached exchange mode is enabled, effectively storing all mailbox information in an organized manner. However, issues may arise that render the OST file inaccessible or unopenable, often due to factors like virus attacks, hardware failures, or changes in MAPI addresses, as well as Exchange server malfunctions. Unfortunately, when such problems occur, users are unable to access their mailbox data within the OST file. To restore readability to these OST files, the utilization of third-party software becomes essential. For those seeking to recover data from corrupted Outlook OST files comprehensively, downloading the MailsSoftware OST tool will provide a robust solution. This tool not only aids in recovery but also ensures that users can regain their valuable mailbox data efficiently.

Aid4Mail, an advanced email processing solution from Switzerland, offers three distinct editions tailored to various needs. 1. The Converter edition efficiently collects and converts emails with precision and speed, accommodating all major email services such as Office 365, Gmail, and Yahoo! Mail, as well as various mailbox file formats like PST, OST, OLM, and mbox. This edition is highly regarded for its effectiveness in preparing emails for archival, eDiscovery, and forensic applications. 2. The Investigator edition enhances functionality with robust search capabilities that utilize Gmail and Microsoft 365 syntax, along with native pre-acquisition filters and Python scripting. Its forensic tools empower users to retrieve deleted or hidden emails and to handle damaged or unfamiliar email formats. 3. The Enterprise edition extends its features to include support for Google Vault, Mimecast, and Proofpoint exports, facilitating seamless migration of corporate emails to live accounts across platforms like IMAP, Microsoft 365, and Gmail. Additionally, this edition allows for smooth integration of its command-line interface with custom tools and offers flexible licensing arrangements, including installation on both servers and portable flash drives. With a user base that includes Fortune 500 companies, government entities, and legal experts globally, Aid4Mail has established itself as a trusted resource in the email processing field. Its adaptability and comprehensive features make it an essential tool for organizations dealing with large volumes of email data.

The completely reliable OST to PST converter is designed to retrieve damaged Outlook mailboxes, which may include various elements like emails, contacts, journals, tasks, drafts, and attachments. This versatile tool can convert both individual and bulk mailboxes, making it an excellent resource for Outlook users dealing with OST corruption issues. Additionally, the software provides a preview function, allowing users to choose specific files they want to transform from OST to PST or other formats such as MSG, HTML, and EMLX. Furthermore, it accommodates cloud services like Office365 and Live Exchange Server, ensuring users have access to their data in the future. This functionality is particularly beneficial for users looking to maintain the integrity and accessibility of their important information.

vMail OST-to-PST Converter Software serves as a versatile tool for converting and recovering emails from Microsoft Office Outlook's offline stored data. This application can retrieve emails, contacts, and calendar entries from damaged or encrypted OST files, subsequently exporting the entire dataset into a functional PST file. In addition to its primary function, this OST Converter software supports conversion to various formats, including MSG, MBOX, EML, EMLX, vCard, and vCal, allowing for greater flexibility in data management. Furthermore, users benefit from the simplicity of exporting their recovered information into a freshly created, healthy PST file, ensuring a seamless transition in their email data handling.

The SysBud OST-to-PST Converter stands out as a highly specialized tool designed to swiftly recover damaged or inaccessible OST files, subsequently converting them into Outlook PST format. Featuring a user-friendly graphical interface, this software enables users to seamlessly export multiple OST files into PST format with ease. It guarantees completely secure and reliable outcomes, preserving all data elements, metadata, folder structures, and HTML formatting without any alterations. A significant advantage of this utility is its compatibility with every version of Microsoft Outlook, allowing users to effortlessly import the generated PST file into Outlook editions such as 2016, 2013, 2010, 2007, and more. Additionally, the software can be easily installed across various Windows operating systems, making it accessible for a wide range of users. Its efficiency and reliability make it an essential tool for anyone dealing with OST file recovery and conversion.

The premier OST to PST Converter software is designed to transform damaged or orphaned OST files into the Outlook PST format. Utilizing sophisticated algorithms, this software guarantees the safety and integrity of OST data throughout the conversion process. The OST Recovery tool efficiently exports all types of data from OST files, such as emails, calendars, contacts, notes, and journals, into the MS Outlook PST format. This streamlined migration solution enables users to transfer their Outlook OST mailbox data to PST format with just a single click. Notably, the OST to PST Converter boasts a range of advanced features, including the ability to perform bulk exports from OST to PST. It facilitates a rapid migration of Outlook data files into the PST format, making it incredibly user-friendly to convert OST to PST with minimal effort. Furthermore, it is compatible with all versions of MS Outlook and various Windows operating systems, supporting Windows 10, 8, 7, XP, and earlier versions as well. This versatility ensures that users can easily access their converted files regardless of their operating environment.

The Outlook PST Converter tool is designed to facilitate the conversion of Outlook PST file data efficiently. This versatile software enables users to transform PST files into various formats, including MBOX, HTML, MSG, EMLX, and PDF. Additionally, users have the option to separately export their contacts and calendars by utilizing the VCARD or VCAL features. The PST converter maintains essential metadata properties, such as to, cc, bcc, subject, from, and attachments, ensuring that no data is modified during the conversion process. Moreover, this software allows for the importation of PST files directly into Office 365 or a Live Exchange server. Users can convert PST files without any size restrictions, making it a flexible solution. Once the scanning phase is complete, the Outlook data file converter provides a preview of the items to be converted. All types of items, including emails, contacts, and calendars, can be converted securely. Notably, this software is capable of handling password-protected PST files as well. Furthermore, the KDETools PST Conversion tool is compatible with all versions of Windows and supports Microsoft Outlook from 2019 down to 2007, making it a reliable choice for users across various platforms. The ease of use and comprehensive features make it an essential tool for anyone needing to convert their Outlook data seamlessly.