OST and PST Converter Software
OST Converter Pro for Batch Conversion
OST Converter Pro converts many Outlook data files in one batch and keeps your folder structure. Add the files, preview the mail and export to PST, MBOX, EML, MSG, PDF and more.
- Batch conversion of Outlook files
- Sixteen output formats
- Orphaned and password protected files
- Windows desktop edition
- Free DemoTest before you buy
- 30 Day RefundDemo test comes first
- Card or PayPalHosted store checkout
- Fast License KeySent by email
- 24x7 SupportChat and email
1Is this my case?
Which Cases Need OST Converter Pro?
Find your case below. RecoveryTools software loads your files and converts the mail you need.
- Many OST Files to MoveYou hold a stack of offline files from old accounts.
- Exchange Is Already GoneThe server closed and only OST files remain.
- IMAP or Office 365 CacheYou need mail from an account cache file.
- Mail Must Open ElsewhereYou want messages in Thunderbird, Lotus Notes or Apple Mail.
- Legal Team Wants DocumentsYou need mail as PDF with Bates numbers.
- Files Hide on the DriveYou cannot find every OST file on the computer.
Batch Mode
Convert many files in one pass.
Sixteen Formats
Save mail in the format your next app needs.
Drive Search
Find every OST file before you convert.
OST Converter Pro hunts for mailbox files on selected or all drives so none get missed.
Free demo mode previews mail and converts 25 items per folder.
2What changes?
What Changes After the Recovery?
Before
- OST files stuck inside Outlook
- One file converted at a time
- Mail locked to a single format
After
- Many files converted in one batch
- Folder structure kept in place
- Mail saved in the format you need
3What can it do?
Which Features Come With OST Converter Pro?
Add the file, set your clues and recover the password from one window.
Batch Conversion
Convert many mailbox files in one pass.
File Search
Add files by hand or search selected and all drives.
Sixteen Output Formats
Save mail as PST, MBOX, MSG, EML, EMLX, NSF, PDF and more.
Seven Preview Modes
Check mail in Normal, Hex, Properties, Header, MIME, HTML or RTF view.
Quick and Advanced Scan
Scan damaged and orphaned files before conversion.
Encryption Removal
Remove S/MIME and OpenPGP protection from mail.
Folder Hierarchy Kept
Keep folders, skip empty ones and ignore system folders.
Unicode Content
Preserve non English text in every converted message.
Conversion Report
Download a CSV report when the conversion ends.
4Is it easy?
How to Recover a OST Password in 4 Steps
Test the recovery on a small file in the free demo. Buy the license when you want every character.
- 1Download
Install the Demo
Download the installer and install it on your Windows computer.
- 2Add
Add Your Files
Click Select File or Search File to load your Outlook files.
- 3Preview
Preview the Mail
Choose a scan mode and check folders in the preview.
- 4Convert
Convert the Files
Select an output format, set a destination and click Export.
Screenshots of every step sit in the OST Converter Pro guide.
5What will I see?
Which Screens Does the Software Show?
Follow the path from the mode options to the recovered password.
Start the Software
Open the software to begin.
Browse for Files
Select your OST files.
Choose the Output
Select a format and a destination.
6Demo or full?
Free Demo vs Full Version
See where the free demo stops and what a license adds.
| Feature | Free Demo | Full Version |
|---|---|---|
| Convert one or many data files | Yes | Yes |
| Quick and Advanced scan | Yes | Yes |
| Remove email encryption | Yes | Yes |
| Convert mail | 25 per folder | All items |
| Price | Free | From $69 |
7Will it fit my system?
System Requirements for OST Converter Pro
| Product Version | 3.0 for Windows |
|---|---|
| Download Size | 93.1 MB |
| Product Type | Desktop software that converts Outlook offline and personal files |
| Input Files | OST, PST and BAK files, including orphaned and password protected files |
| Output | PST, MBOX, MSG, EML, EMLX and NSF, plus PDF, vCard, CSV, ICS, TXT, HTML, MHT, DOCX, DOC and RTF |
| Windows | Windows 11 in 64 bit, Windows 10, 8 and 7 in 32 and 64 bit, plus Windows Server 2022, 2019, 2016, 2012 R2 and 2008 |
| Outlook | Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003 and 2000 in 32 or 64 bit |
| Processor | Intel Core 2 Duo E4600 at 2.40 GHz or better |
| RAM and Disk Space | 4 GB RAM with 100 MB of free disk space |
| Pre Requisite | Microsoft .NET Framework 4.5 or later |
| Interface Languages | 20 languages |
| Demo Limit | Previews mail and converts 25 items per folder |
8What is the price?
How Much Does OST Converter Pro Cost?
Choose the license by the number of computers. Prices are in US dollars.
1 Computer
$69
- Home and private use
- 1 year of free updates
- Unlimited 24x7 support
Up to 100 Computers
$299
- One location in one country
- 1 year of free updates
- Unlimited 24x7 support
Up to 500 Computers
$799
- Offices in many places
- 1 year of free updates
- Unlimited 24x7 support
See more savings on the RecoveryTools offers page.
9Is it safe?
Can You Trust the Software With Your Mail?
See Results First
Test the free demo on your OST files and check the preview before you pay.
In Business Since 2007
RecoveryTools stands on a company that began in 2007 and now helps users in over 100 countries. Find more about RecoveryTools.
ISO Certified
Standards ISO 9001:2015 for quality and ISO/IEC 27001:2013 for information security back the company. See the awards and certifications page.
Terms in Plain Sight
Refund, privacy and usage terms are public before you pay. See the refund policy, privacy policy and terms of use.
10Need a hand?
Where to Get Help With Your OST Conversion
Support engineers answer questions before and after you buy. Visit the RecoveryTools support center for phone numbers and more ways to get help.
Live Chat
Talk to an expert on live chat at any hour.
Email Support
Email support@systoolsgroup.com with your file details and the error you see.
Remote Session
An expert connects to your computer and solves a hard case for you.
Step by Step Guide
Follow the user guide for the add, preview and export screens.
11Still have a question?
Questions About Converting OST Files
Can the software convert many OST files together?
Yes. Add many files together and convert them in one batch.
Can the software find OST files on my computer?
Yes. Use Search File to scan selected or all drives.
Which input files work?
Files ending in OST or PST work, along with BAK files, orphaned files and files from IMAP, Exchange or Office 365 accounts.
Can the software convert an orphaned OST file?
Yes. Orphaned files convert without rebuilding a server and without Outlook.
Which output formats can I choose?
Sixteen formats work. Mail goes to PST, MBOX, MSG, EML, EMLX or NSF and documents go to PDF, vCard, CSV, ICS, TXT, HTML, MHT, DOCX, DOC or RTF.
Do attachments move with the mail?
Yes. Attachments export together with the messages.
Does the software keep the folder structure?
Yes. Keep folder hierarchy is an export option. You can also skip empty folders.
Can the software handle encrypted mail?
Yes. Software removes S/MIME and OpenPGP protection when you provide the certificate or key.
Can I convert a BAK file?
Yes. BAK files that Scanpst created convert like OST files.
Is there a size limit for the OST file?
No. Files of any size work.
Does the software need administrator rights?
No. Standard user accounts work.
What does the free demo do?
Free demo mode previews mail and converts 25 items per folder. Full conversion needs the full version.
Is there a Mac edition?
No. Software works on Windows only.
Which Windows versions work?
Windows 11, 10, 8 and 7 work, along with Windows Server 2022, 2019, 2016, 2012 R2 and 2008.
How much does the software cost?
Personal costs $69 for 1 computer. Business costs $299 for up to 100 computers. Enterprise costs $799 for up to 500 computers.
Can I get a refund?
Yes. Refund requests are accepted for 30 days under the RecoveryTools refund policy. Software bought without a demo evaluation does not qualify. Email a signed Letter of Destruction to sales@recovery-tools.org. Bundle purchases cannot be refunded.
Convert Your OST Files With the Free Demo
Download the free demo, preview your mail and buy the license when you want to convert everything.