Download.it confirms that various OST utilities were tested, but OST to PST Converter for Mac and Windows has achieved the title of Top-Performer. The conversion process is completely flawless.
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Download the Award-winning solution to batch convert inaccessible, corrupted, orphaned, damaged, or large OST to usable PST without Outlook or Exchange profile. Maintains all emails formatting.
*Free download to scan and preview your lost or deleted data.
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Here are some most common cases for converting an OST file to PST
Exchange Server Downtime or Deleted Profiles
Users convert OST files to PST when they need to recover data from an orphaned OST files when the Exchange, Office 365, or IMAP account is deleted, terminated or disconnected.
Severe File Corruption
Converting OST files to PST allows retrieving mailbox data when an OST file fails or gets corrupted more than Microsoft ScanPST.exe can fix.
Data Migration & Employee Offboarding
When transferring encrypted data from OST into a portable PST format for employee offboarding, legal archiving or moving to another server.
Experts-trusted solution to convert and recover your OST data.
No Require Outlook
RecoveryTools OST to PST converter tool allows to export OST files to PST format without needing Outlook installation or Exchange Profile.
Advanced Recovery
Our tool is capable of successfully recovering from corrupted, orphaned, encrypted, or password-protected OST files without messing original data.
Maintains Folder Hierarchy
Keeps original mailbox structure, email formatting, attachments, and metadata unchanged during the entire OST to PST conversion process.
No Size Restrictions
Users can bulk convert OST files to PST without any size limitations. Tool allows to import several OST files, folders and subfolders to export them as PST at once.
100% Offline & Secure
Performs the entire OST to PST conversion process locally on your computer, making sure no information is uploaded to a cloud.
Selective Export
Use advanced filters to export OST data to PST according to specific date range, from, to, specific folders/items for conversion instead of converting the entire mailbox.
What OST file Data it Converts to PST?
Emails
Contacts
Calendars
Attachments
Tasks
Journals
Notes
Tested Key Features
Dual-Mode OST Location & Auto-Detection
Using the Dual Mode feature users can add separate OST files or entire folders into the software to convert them into PST. Moreover, tool can also auto detect configured OST file location from the directories without selecting them manually.
Generate Modern Unicode PST
The OST to PST conversion tool generates modern Unicode PST formats that are easily compatible with all latest versions of Outlook including Outlook New (if the Microsoft 365 account is configured), Outlook 2024, 2021, 2019, etc.
Create Separate PST Files per User
The software is highly beneficial for Exchange administrators and IT forensic professionals. This tool processes numerous OST files of different employees at once. It saves different output data and presents the data in the form of separate PST files for each user account, eliminating the need for sorting after conversion.
Extraction of Embedded OLE Objects & Nested Attachments
OST to PST converter also extracts many different complex MIME types from OST files, such as inline images, nested emails (emails within emails), vCards, and embedded OLE objects and converts into PST, while leaving the HTML and RTF body intact.
Multilingual Default Folder Mapping
The conversion tool will maintain the entire data structure and hierarchy of all files, folders, and mailboxes exactly as they were in the original OST file, ensuring no interchanging or swapping.
Comprehensive Mailbox Tree-View & Pre-Migration Preview
Before starting the conversion process, the tool presents detailed preview and lets users select required OST files, folders, and subfolders using checkboxes that enables IT administrators and users to eliminate converting unnecessary data.
Screenshots & Video
Step 1: Download and install the Outlook OST to PST Converter on your system.
Step 2: Select "Configured Outlook Mailbox Data" or manually add files or folders.
Step 3: Select the specific OST folders and subfolders you wish to convert into PST.
Step 4: Choose PST as the saving option and apply any necessary filters.
Step 5: Click the browse icon to choose a destination path.
Step 6: Click Convert to begin the process.
Add More Power
Multi-Format Output Flexibility
This is a one stop solution that offers a variety of different saving options along with PST. Apart from converting OST files to PST, this single solution can also convert OST files into different file formats.
S/MIME & OpenPGP Decryption
This capability is particularly useful for businesses dealing with highly secure information. With built-in decryption features, it can work with S/MIME and OpenPGP protected orphaned OST files. If the user has proper credentials, this technology will allow easy conversion of OST files to the standard PST format.
Granular Data Filtering & Exclusion
No need to transfer years of excess data. With advanced filters, users can extract OST emails over certain date ranges, including filtering by sender or recipient email addresses, and excluding specific folders such as “Deleted Items” and “Junk Email”, this way keeping the PST file clean and optimized.
Preserves Forensic Meta Properties
The conversion engine is developed with compliance, auditing, and eDiscovery and does not modify headers and content of emails. It preserves the information about the recipients and sender, date and time when the emails were sent and received, possibly including IP address routing data and the body of the email formatted according to RTF/HTML standards.
Ideal for individuals and businesses looking to convert inaccessible OST files to PST
Individual Users & Professionals
Quickly accessing orphaned OST files left behind after uninstallation or profile corruption.
Small & Medium Businesses
Restoring employee mailboxes efficiently when the Exchange Server goes offline unexpectedly.
IT Administrators
Using granular filters and bulk options to export specific dates and folders for large user groups.
Forensic Investigators
Recovering permanently deleted data and deeply corrupted OST files for auditing and analysis.
Exchange Administrators
Seamlessly converting data after accidental profile deletions or when migrating between Exchange versions.
Security-Conscious Users
Performing 100% offline, risk-free OST to PST extraction without relying on vulnerable cloud services.
RecoveryTools OST to PST Conversion tool has passed all the security checks to provide satisfied and safe OST to PST conversion
OST to PST converter is developed by RecoveryTools that adheres to strict international requirements having ISO 9001:2015 agreements regarding Quality Management System. RecoveryTools Inc. is also recognized for ISO/IEC 27001:2022 for Information Security Management and ISO/IEC 27701:2019 pertaining to Privacy Information Management, which means that all the private mailbox data is protected during the process. These certifications let the organization guarantee that the program is effective and safe for large-scale projects.
System Requirements & Specs
| Name: | RecoveryTools OST to PST Converter |
| Version: | 26.2 |
| Size: | 47.2 MB |
| Delivery: | Free via Email |
| Free Version: |
What's New?
v26.2 Features
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Trial Limitations: |
Free OST to PST converter demo edition allows users to export 25 items from every folder. Buy full version to avoid this limitation. |
| Hard Disk Space: | Around 400 MB free space |
| RAM: | 2 GB RAM |
| Processor: | Intel® Pentium 1 GHz processor (2.4 GHz is recommended) |
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Platforms: |
Windows: Windows 11, 10, 8.1, 8, 7, Windows Server 2019, 2016, 2012, etc. | Mac: Golden Gate (Beta), Tahoe, Sequoia, Sonoma, Ventura, Monterey, Big Sur, Catalina, etc. | Supported Sources: Outlook ANSI and Unicode OST and PST files. |
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Product Guide: |
Making Your Choice Easy
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To convert OST to PST with attachments: 1. Download and Run the OST to PST Converter. 2. Upload your Outlook OST files. 3. Select the mailbox folders you want to convert. 4. Choose PST as the saving option. 5. Click Convert.
You can convert multiple OST files to PST file format. If you are using the trial version, you can export 25 emails at once from each folder. While using the Licensed version, it is possible to convert unlimited data in a single attempt.
No, you don’t need to install Outlook as the RecoveryTools OST to PST converter tool is completely stand-alone and can do the conversion without any external utility and any kind of technical guidance. Simply use the tool and convert OST to PST without Outlook.
Yes, However, when downloading, please click the Mac button, as RecoveryTools offers separate EXE for Windows and Mac OS users.
Yes, RecoveryTools OST to PST converter tool allows users to browse OST file from your system. So, there is no relation to your Exchange and IMAP profiles.
Users can export 25 items/folders using free OST to PST converter demo version from RecoveryTools.
Yes, RecoveryTools conversion tool for OST to PST allows to export complete data without Exchange profile and server connectivity.
The software is quick and does not take too long to convert OST to PST file format. The calculation of time is based on two factors: size of OST file and the configuration of your system.
Yes, RecoveryTools offers 24/7 Technical Support via Live Chat and Email. The technical support team is available 24X7X365, and you can contact them at any time. You will receive complete assistance in converting OST to PST file format.
RecoveryTools OST to PST converter software does not have an expiry date. This tool is free to use for as long as the user wants.
You're in Good Hands
"One of my friends recommended me this tool, and trust me, it is a perfect solution to carry out the OST to PST conversion. Also, the RecoveryTools team experts are also very helpful and didn’t take much time in solving the issues, I must recommend you to continue with this for the same query."
Mr. Karl Honk
"This is one of the best OST to PST converter Tool, I had used in my 4 years of experience. I was having a lot of OST files stored in my system and I had tried multiple ways to import them into Outlook. Then, I got to know about this tool and it had converted all my OST files into PST file format."
Mr. Akash Sharma
"I am really very much satisfied after using this OST to PST conversion tool, this had done my task in just a couple of minutes. Even after using other solutions, I didn’t get desired results but this had given me the results in a few minutes with accuracy."
Mr. Jacob Wilson
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