Recoveryfix OST to PST Converter
Convert OST to PST and Export Complete Outlook Mailbox Data
Convert orphaned and inaccesible OST files to PST files. Recoveryfix OST to PST converter tool exports emails, attachments, contacts, calendars, tasks, and other items while maintaning folder hierarchy and metadata during conversion.
- Convert bulk OST files to PST.
- Supports conversion of large size OST files.
- Preview OST file folders and items before export.
- Scan the OST file withour Exchange Server connection.
- Allows managing large OST file scanning time.
- Recover and save deleted emails.
- Compatible with major Windows and Outlook versions.
- Free trial version to validate software’s features and convert 25 items per folder.
When do Users Need to Convert OST to PST?
Check out the most common situations where OST to PST conversion helps you to access your OST file data:
Resolve Corruption and Data Loss Issues
Fix damaged or corrupted OST files that Outlook cannot open due to unexpected errors or crashes. Choose OST conversion to extract data safely and avoid permanent data loss.
Backup Important Outlook Data
Secure essential emails, contacts, and calendar data in a portable PST file. Create a backup that allows easy data storage, sharing, and useacross Outlook environments whenever needed.
Migrate Data to Another Outlook Profile
Transfer OST data from one Outlook profile to another with ease. Use PST format to import emails and other items into a new Outlook account.
Access Data After Exchange Server Crash
After an Exchange Server crash, accessing data from orphaned OST files can become difficult. Use our software to convert OST to PST to access all your orphaned data in another or the same Outlook account.
Outlook Profile Fails After System Upgrade
Use the tool when Outlook cannot open your mailbox data after a Windows update, Outlook reinstallation, or profile corruption. Convert the OST file into PST format to open your OST file inNew Outlook.
Need OST Data for Legal or Audit Requirements
Convert OST files to PST when legal teams, HR departments, or organizations require email records for audits, investigations, or compliance reviews.
Common OST File Errors That Cause Corruption
- Cannot start Microsoft Outlook
- Cannot open the Outlook window
- The file xxxx.ost is not an Outlook data file
- The operation failed due to network or server issues
- Errors have been detected in the file xxxx.ost
- The OST file cannot be opened
- Cannot expand the folder
- The set of folders cannot be opened
- Microsoft Outlook has encountered a problem and needs to close
- Synchronization with the Exchange Server failed
- OST file is inaccessible
- Outlook data file reached maximum size limit
- Outlook profile corruption after system crash
- Orphaned OST file after Exchange account deletion
OST to PST Converter - What Data Does It Convert?
See what type of Outlook data our tool can convert from OST files:
Top Features of Our OST to PST Converter
Explore all the prime functionalities of the OST to PST Converter to simplify your OST conversion.
Support All OST File States
Convert OST files of all states, such as Active, Healthy, Orphaned, Corrupted, Inaccessible, Oversized, Synchronized, Unsynchronized, Disconnected, Damaged, or Repaired, to make them accessible.
Bulk OST Conversion
The OST to PST Converter allows you to upload multiple OST files from your system and convert them one by one, saving time and effort. Get desired conversion results, even when working with large-volume data.
Preview Data Before Conversion
View OST data before conversion to make sure proper email structure. The software offers two different preview modes, including Simple View to check email content and Advanced Properties View to see Hex, Text, and Unicode details.
Recover Deleted OST Data
Restore deleted emails from OST files and save them in the preferred output file format. The OST File to PST Converter softwarehighlights all your deleted emails in red color in the preview pane, so that you can be aware of themand easily recover them.
Convert OST File into Multiple Formats
Convert OST files to major file formats such as PST, DBX, MBOX, MSG, EML, TXT, RTF, HTML, MHTML, PDF, DOC, and DOCX. Open your OST data on multiple platforms and applications to make it shareable beyond the Outlook application.
Move OST to Web-based Email Clients
Directly migrate OST files to web-based email clients, including Gmail, Google Workspace, Yahoo Mail, AOL Mail, Hotmail.com or Live.com or Outlook.com, iCloud Mail, and Company IMAP Accounts.
Migrate OST Data to Email Servers
Transfer OST data to enterprise email servers such as Microsoft Office 365, Novell GroupWise, IBM Domino, and Microsoft Exchange Server. Migrate your Outlook OST inemail servers to establish communication across enterprise environments.
Convert Specific Item Type
Convert specific Outlook item types such as Email, Calendar, Task, Journal, Notes, Contacts, and Distribution List separately. With this feature, you can convert and save a specific item type. Maintain accuracy and ensure organized results with only required data in the destination file.
Multiple Filters for Precise Conversion
Use different filtering options to convert only required OST data. Customize your OST to PST conversion based on parameters, like From, To, Subject, Folder Name, Item Type [Email, Calendar, Task, and more], and Date Range to achieveprecise results.
Search Emails with Ease
Easily search for specific emails among multiple ones with the Find option. Use parameters such as From, To, Subject, Received Before, Received After, and Messages have Attachment to find specific data. The software will list all your emails in the Find Messages Preview Tab.
Snapshot Feature to Re-scan OST Files
Re-scan large OST files in seconds with the Save and Load Snapshot feature. Continue the OST conversion process from the last saved scan without unnecessary manual uploads.
Split Large OST Files
Avoid OST errors related to large files with the Split PST option. Manage large OST files and split them into multiple PST files based on selected size limits from 1 GB to 45 GB. Create smaller, easy-to-manage PST files to access their data in New Outlook or another version.
OST to PST Converter– What More You Get!
Take advantage of these extra features that makeOST data conversion more efficient every time.
Auto search OST files
Automatically retrieve all the OST files from the selected drive in your system. The software offers an in-built Search option to auto-locate all the OST files from a specific drive or folder.
Multiple Saving Preferences
Either save all emails (including deleted), all emails (excluding deleted), or only deleted emails during the OST to PST conversion. Get only the required output result at destination file format for easy data management.
Save Emails List
Save anemail list ofthe OST file in an HTML file before conversion. It lets you export folder and item information for reference verification and record-keeping purposes.
File Analysis Reports
Generate detailed file analysis reports with mail insights, including total item types, mail flow density by date, sender activity, and user interaction details. Review email communication patterns and understand email distribution clearly.
Advanced Features Available in OST Converter Pro Mode
No Need for Outlook
The OST to PST Converter tool comes with a Pro version to convert OST to PST without Outlook. Converts only healthy OST files to PST without downtime.
Extract Email Addresses in Multiple Formats
Extract all email addresses from OST files into XLSX, CSV, or Outlook-compatible CSV formats. Get email addresses from Email, Items, Contacts, Calendar, Tasks, and Journal. Our OST to PST Converter tool displays and saves all your email addresses in aspecific folder.
Extract Attachments Separately in Raw Quality
Save all email attachments from OST files separately with or without extensions.Modify your attachments saving option by including or excluding specific file types.Maintain original quality and structure for future use, archiving, or sharingduring the extraction process.
How to Convert OST to PST?
Here is the step-by-step guide along with video guide to convert bulk files using our OST File to PST Converter software:
- Step 1. Download, install, and launch the Recoveryfix OST to PST Converter tool.
- Step 2. Click on Browse to add OST files.
- Step 3. Preview specific emails and select necessary folders.
- Step 4. Select PST in the Output Type and click Next.
- Step 5. Apply the required filters and click Next to proceed.
- Step 6. Browse to choose the saving path and start converting files.
Compare Now Standard vs Pro Version
Explore the differences in features, support, and conversion capabilities available in both versions of the tool, including OST to PST and OST to PST Pro.
| Software Features | OST to PST | OST to PST (Pro) |
| Convert OST files in batches | ✔ | ✔ |
| Preview the entire OST data | ✔ | ✔ |
| Retrieve and recover lost or deleted emails | ✔ | ✗ |
| Convert OSTfiles into multiple formats | ✔ | ✔ |
| Migrate OST files to different email servers | ✔ | ✗ |
| Transfer OST to web-based email clients | ✔ | ✗ |
| Convert corrupted OST files | ✔ | ✗ |
| Search option to find specific emails | ✔ | ✔ |
| Multiple filters for selective data conversion | ✔ | ✔ |
| Generate File Analysis or Log Reports | ✔ | ✔ |
| Extract email addresses or attachments separately | ✗ | ✔ |
| No need to install Outlook for conversion | ✗ | ✔ |
| Trial Version Available (25 items per folder) | ✔ | ✔ |
Purchase Now  |
Purchase Now |
Customer Feedback for Recoveryfix OST to PST Converter
Read real user reviews and experienced shared by professionals who used the tool for Outlook OST to PST conversion tasks.
“Our Exchange Server crashed after a hardware issue, and several teammates lost access to their mailboxes. Recoveryfix helped us extract data from a 32 GB orphaned OST file and save it to PST without any trouble. The folder structure remained intact, and we restored user access within a few hours.”
Michael R., IT Administrator
“After Windows Update, I opened my Outlook but couldn’t access my profiles.I don’t know why, but my Outlook refused to open the mailbox data, and I needed a quick solution. One of my friends to me about Recoveryfix OST to PST Converter, and it converted the OST files to PST and helped me restore emails, contacts, and calendars of all profiles.”
Sarah T., System Support Engineer
"Our organization’s legal team required access to historical mailbox records for an internal audit. The software exported mailbox data from an inactive OST file and gave us quick access to emails and attachments. The process was straightforward and saved a lot of manual effort."
David M., Compliance Manager
"Several important emails disappeared from my Outlook after a synchronization error. Recoveryfix identified deleted mailbox items and allowed me to export them into PST format. I recovered critical communication that would have been difficult to retrieve otherwise."
Jennifer P., HR Executive
"One of my clients provided me with multiple OST files above 40 GB that Outlook could no longer access. Recoveryfix processed the files successfully and exported complete mailbox data to PST. The preview feature helped us verify everything before export."
Robert K., Exchange Consultant
Frequently Asked Questions
Get quick answers to all the common user queries related to the OST file to PST Converter tool’s features and their usage.
What is the Recoveryfix OST to PST Converter?
What is the difference between OST and PST?
Why does an OST file become inaccessible?
Does any Manual method exist to convert OST to PST?
What are the common reasons to convert OST to PST?
- DataMigration: Move data between different email servers or accounts.
- Open Orphaned Files: Open data after an Exchange account is deleted.
- Data Backup: Create portable, long-term copies of important emails.
- Legal Discovery: Export records for legal or forensic evidence requirements.
- Storage Space: Move emails from your server to free Outlook space.
- Account Recovery: Restore data after a system or profile crash.
- Transfer Data: Move emails easily between different computers or users.
- Prevent Data Loss: Save information before decommissioning old mail servers.
- Recover Deleted Items: Extract missing emails from a local offline cache.
Can I convert OST to PST without Outlook?
Does this OST to PST conversion software support corrupted files?
How to extract attachments from my OST file?
- Step 1: Download, install, and launch the Recoveryfix OST to PST Converter.
- Step 2: On the software’s home screen, click the OST to PST Converter Pro tile.
- Step 3: Browse and select your OST file to add to the tool.
- Step 4: Select any specific mail, view its content, and click on Extract>Attachments.
- Step 5: Select saving location, apply filters and options to extract specific attachments.
- Step 6: The tool will extract all your attachments from the OST file and save them in your system
Does the OST to PST converter support large files?
How do I migrate OST mailbox data to Office 365?
What is the difference between the manual solution and Recoveryfix?
| Feature | Manual Method | Recoveryfix |
| Recover Orphaned OST | No | Yes |
| Export Without Outlook | No | Yes |
| Corrupt OST Support | No | Yes |
| Large OST Handling | Weak | Strong |
| Selective DataExport | No | Yes |
Can I convert multiple OST files at once?
Does this OST to PST converter maintain email properties?
Can I recover deleted emails from an OST file?
Can I preview OST data before conversion?
Is OST to PST conversion safe?
Does this software offer a free trial version?
Why IT teams choose this OST to PST Converter tool?
- Supports large and oversized OST files.
- Preserves folder hierarchy, metadata, attachments, etc.
- Separate option to extract attachments and email addresses from OST file.
- Multiple filtering options for selective data export.