Outlook PST to MBOX Converter Software
Outlook to MBOX Converter for PST Files
Outlook to MBOX Converter exports PST files to MBOX with folders, attachments and email details intact. Open the files in Thunderbird, Apple Mail, Postbox or any MBOX client. Outlook is not needed at any point.
- Creates one MBOX file per folder
- Handles ANSI, Unicode and corrupt PST files
- Processes many PST files in one job
- Windows 11, Windows 10 and Mac editions
- Free Demo25 items a folder
- 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 PST to MBOX Export?
Find your case below. RecoveryTools software moves PST mail into MBOX files that other clients open.
- Leaving Outlook for ThunderbirdYears of mail sit in a PST file that Thunderbird cannot open.
- Windows to Mac SwitchApple Mail wants MBOX files while your archive is a PST file.
- Google Takeout and Vault NeedsArchiving tools ask for MBOX input and not PST.
- Outlook Profile Is GoneOnly the PST file survived and no Outlook setup is left to open it.
- Damaged PST FileOutlook refuses the file but you still need its mail.
- Large Archive FoldersDozens of PST files must move to one format in a single pass.
MBOX for Any Client
Output works with Thunderbird, Apple Mail, Postbox, SeaMonkey, Eudora and more.
Data Stays Complete
Attachments, signatures, links and message status travel with every email.
Damaged Files Welcome
Advanced Scan recovers corrupt PST files before the export.
Inbox, Sent Items and every custom folder become separate MBOX files. Thunderbird and Apple Mail import them folder by folder.
Switch on Maintain Folder Hierarchy to keep nested folders in order and Ignore System Folders to skip the clutter.
2What changes?
What Changes After PST to MBOX Conversion?
Before
- Mail stays inside PST files
- Thunderbird and Apple Mail cannot import it
- Damaged files block your archive
After
- Folders land as MBOX files
- Any MBOX client imports the mail
- Recovered items join the export
3What can it do?
Which Features Come With the Software?
Scan, preview and export PST data from one window.
Batch PST Conversion
Add many PST files and process them together with no file size limit.
PST to MBOX Output
Create MBOX files that Thunderbird, Apple Mail, Postbox and Google Takeout tools accept.
Add File or Search File
Select a PST file by hand or scan one drive or all drives to locate them.
Advanced Scan
Recover a corrupt PST file and export its mail to MBOX.
Details Preserved
Hold on to attachments, signatures, links, formatting and metadata.
Folder Hierarchy Option
Keep the PST folder structure or ignore system folders.
Preview Before Export
Browse mail and attachments in the software panel first.
Export Report
Review source, saved path, success count and fail count and save the report as CSV.
More Output Types
Convert contacts to VCF and calendars to ICS or choose EML, MSG, PDF and more.
4Is it easy?
How to Test PST to MBOX Conversion Free in 4 Steps
Convert your own PST file in the free demo. Buy a license when the sample MBOX files import cleanly.
- 1Download
Install the Demo
Install the 167.15 MB Windows demo or the 153.94 MB Mac demo. Windows needs Microsoft .NET 4.5 or later.
- 2Add
Add the PST File
Click Add File or Search File and select the PST data to load.
- 3Select
Choose MBOX
Select MBOX as the export type and preview the mail in the panel.
- 4Export
Export With a License
Browse to a destination and click Export. Demo mode converts 25 items a folder and a license key removes that cap.
Screenshots of every step sit in the step by step user guide.
5What will I see?
Which Screens Does the PST to MBOX Export Show?
Follow the path from added file to saved MBOX.
Launch the Software
Start the converter on Windows.
Browse for the PST File
Select a PST file or search a drive for it.
Preview the Mail
Check folders and messages before the export.
Select MBOX
Choose MBOX as the export type and set the 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 |
|---|---|---|
| Add and search PST files | Yes | Yes |
| Preview of mail and attachments | Yes | Yes |
| MBOX, EML and MSG export | Yes | Yes |
| Advanced Scan for corrupt files | Yes | Yes |
| Items converted per folder | 25 | All |
| Price | Free | From $49 |
7Will it fit my system?
System Requirements for PST to MBOX Export
| Product Version | 11.0 for Windows and 10.0 for Mac |
|---|---|
| Download Size | 167.15 MB for Windows and 153.94 MB for Mac |
| Product Type | Desktop software that exports Outlook PST files to MBOX |
| Input Files | ANSI and Unicode PST files from Outlook 2000 to 2021 |
| Output Formats | MBOX, EML, MSG, PST, PDF, HTML, MHT, DOCX, RTF, VCF, ICS, CSV and JSON |
| Windows | Windows 11 (64 bit), 10, 8 and 7 or Windows Server 2019, 2016, 2012 R2 and 2008 |
| Mac | macOS 10.8 up to macOS 26 Tahoe and above on Intel and Apple Silicon M1. Region set to United States and language set to English. |
| Processor | Intel Core 2 Duo E4600 at 2.40 GHz or higher on Windows |
| RAM and Disk Space | 4 GB RAM on both systems. Windows needs 500 MB free disk space and Mac needs 100 MB. |
| Framework | Microsoft .NET 4.5 or later on Windows |
| Outlook | Not required |
| Demo Limit | 25 items per folder on Windows and 100 emails plus 25 items per PST file on Mac |
8What is the price?
How Much Does the Software Cost?
Choose a software license by the number of computers and your type of use. Prices are in US dollars.
Personal License
$49
- Works on 1 computer
- Home and private use only
- 1 year of free updates
- Limited time 24x7 support
- Cannot move to another computer
Business License
$199
- Up to 100 computers
- Business, school, office or government use
- One location in one country
- Issued in your organization name
- Unlimited 24x7 support
- 1 year of free updates
Enterprise License
$499
- Up to 500 computers
- Offices in many countries
- Issued in your organization name
- Not transferable
- Unlimited 24x7 support
- 1 year of free updates
Mac licenses cost $39, $129 and $399. Buy the Mac edition license or download the Mac edition demo. Save on bundles too. MBOX and PST Suite costs $149 instead of $245 and Email Converter Suite costs $99 instead of $205. Mac users can take Mac Email Converter Suite for $99 instead of $235. Bundle purchases cannot be refunded. Browse live deals on the RecoveryTools offers page.
9Is it safe?
Can You Trust the Software With Your PST Archive?
See Results First
Test the free demo on your own PST file and import the MBOX output 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 PST to MBOX Conversion
Support engineers answer tool 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 Windows or macOS version and the error message.
Remote Session
An expert connects to your computer and solves a hard case for you.
Secure File Sharing
Upload your PST files to a secure FTP server. RecoveryTools can sign a Non Disclosure Agreement first.
11Still have a question?
Questions About Exporting PST Files to MBOX
Which Outlook files does the converter open?
PST files from Outlook 2000 up to Outlook 2021 open in the software. ANSI and Unicode PST files both work in 32 bit and 64 bit versions.
Do I need Outlook installed to export PST to MBOX?
No. Conversion works without Outlook. Add a PST file with Add File or let Search File find it on your drives.
Which email clients open the MBOX output?
Thunderbird, Apple Mail, Eudora, Postbox, SeaMonkey, Opera Mail, Entourage and other MBOX based clients open the files. Google Takeout and Google Vault MBOX files are covered too.
Does the converter create one MBOX file for every folder?
Yes. Every folder in the PST file becomes its own MBOX file. Maintain Folder Hierarchy keeps the original structure.
Can I convert many PST files together?
Yes. Batch conversion handles several PST files in one job and no file size limit is stated.
Can I export a corrupt PST file to MBOX?
Yes. Advanced Scan recovers a damaged PST file so its mail exports to MBOX.
Do attachments and details stay with the mail?
Yes. Attachments, signatures, hyperlinks, formatting, To, From, Cc, Bcc, sent and received dates and message status come along.
Does the software convert contacts and calendars?
Yes. Contacts export to VCF and calendars export to ICS. Other targets include EML, MSG, PDF, HTML, MHT, DOCX, RTF, CSV and JSON.
Can I skip system folders?
Yes. Select Ignore System Folders to leave Outlook system folders out of the export.
Does the software show a report after the export?
Yes. Every report lists the source file, the saved path and the number of successful and failed items. Save it as CSV.
Is there a Mac edition?
Yes. Mac edition 10.0 works on macOS 10.8 up to macOS 26 Tahoe and above with Intel and Apple Silicon M1 Macs. Set the system region to United States and the language to English first. Get the Mac edition demo or the Mac edition license.
What does the free demo include?
Windows demo mode converts 25 items per folder. Mac demo mode exports 100 emails and 25 items per PST file.
How much does the Outlook to MBOX Converter cost?
Windows licenses cost $49 for Personal, $199 for Business and $499 for Enterprise. Mac licenses cost $39, $129 and $399.
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.
12Where next?
Related Email Converters and Guides
RecoveryTools PST Converter
Converts PST files to many email and document formats.
RecoveryTools MBOX Migrator
Converts MBOX files to PST, EML, PDF and Office 365.
RecoveryTools MBOX to PDF Converter
Saves MBOX emails as PDF with attachments.
RecoveryTools Thunderbird Import Tool
Brings Outlook and other mail into Thunderbird.
RecoveryTools Outlook PST Recovery
Repairs corrupt PST files.
RecoveryTools OLK Converter
Exports Mac Outlook OLK files to PST, EML and MSG.
Email Guides From RecoveryTools
Test PST to MBOX Conversion on Your Own Mail
Download the free demo, export a few folders and buy the license once the MBOX files import cleanly.