Split Large MBOX Files
MBOX Splitter Software to Split MBOX Files
MBOX Splitter divides one large MBOX file into smaller files. Add the file, preview the emails and choose how to split them.
- Split by size, date, year, sender or subject
- MBOX, MBX and MBS files
- Attachments stay with emails
- Windows and Mac editions
- 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 an MBOX Splitter?
Find your case below. RecoveryTools software divides your MBOX file into files you can open and import.
- MBOX File Is Too BigYour mail client hangs when it opens a file of many gigabytes.
- Import FailsA mail app refuses an MBOX file above its size limit.
- Need One Year of MailYou want only the emails of a single year.
- One Sender MattersA case needs every message from one address.
- Archive Needs OrderYears of mail sit in one file and nobody can find anything.
- Transfer Is SlowA huge file takes too long to move between computers.
Six Split Methods
Divide by size, date or sender.
Attachments Kept
Every email keeps its files.
Preview First
Check the mail before you split.
MBOX Splitter works with no Thunderbird or other email client on your computer.
Free demo mode splits a few emails per file.
2What changes?
What Changes After the Recovery?
Before
- MBOX file of many gigabytes
- Mail client freezing on import
- Months of searching for one sender
After
- Smaller files that open fast
- Mail grouped by year or sender
- Attachments kept with every email
3What can it do?
Which Features Come With MBOX Splitter?
Add the file, set your clues and recover the password from one window.
Split by Size
Set a limit from 1 MB up to 20 GB.
Split by Date
Separate mail by a date, a date range or a year.
Split by Sender
Cut a file by one address, many addresses or all senders.
Split by Subject
Group emails by a subject line or by all subjects.
Bulk Folder Splitting
Add a folder and split many MBOX files together.
Email Preview
Check emails and attachments before you split.
Properties Kept
Keep sender, recipient, subject, date and formatting.
Many Origins
Open files from Thunderbird, Apple Mail, Eudora and Google Takeout.
Orphan MBOX Files
Add files that have no mail client attached.
4Is it easy?
How to Use MBOX Splitter in 4 Steps
Test the software in the free demo. Buy the license when you want the full result.
- 1Download
Install the Demo
Download the installer and install it on your Windows or Mac computer.
- 2Add
Add the MBOX File
Click Add File or Add Folder and select your MBOX files.
- 3Choose
Select Split Options
Choose a split method and set its value.
- 4Split
Start the Split
Select the output folder and click Split.
Screenshots of every step sit in the MBOX Splitter guide.
5What will I see?
Which Screens Does the Software Show?
Follow the path from the first screen to the finished result.
Add Your MBOX File
Load the file and click Next.
Choose Your Split Settings
Select the method and the output folder.
Check the Result
Wait for the message that the split is done.
6Demo or full?
Free Demo vs Full Version
See where the free demo stops and what a license adds.
| Feature | Free Demo | Full Version |
|---|---|---|
| Preview emails and attachments | Yes | Yes |
| Split by size, date, sender and subject | Yes | Yes |
| Bulk folder splitting | Yes | Yes |
| Emails split | A few | Every email |
| Price | Free | From $39 |
7Will it fit my system?
System Requirements for MBOX Splitter
| Product Version | 4.0 for Windows and 4.0 for Mac |
|---|---|
| Download Size | 123.69 MB for Windows and 29.13 MB for Mac |
| Product Type | Desktop software that splits large MBOX files |
| Input Files | MBOX, MBX and MBS files, including orphan files |
| Output | Smaller MBOX files |
| Split Methods | Size from 1 MB to 20 GB, date, date range, year, sender and subject |
| Windows | Windows 11 and 10 in 64 bit |
| Mac | macOS 11 up to macOS 15 on Intel and Apple Silicon |
| RAM and Disk Space | 4 GB RAM with 100 MB of free space |
| Pre Requisite | Microsoft .NET Framework 4.5 on Windows. US region and English language on Mac |
| Demo Limit | Splits a few emails per MBOX file |
8What is the price?
How Much Does MBOX Splitter Cost?
Choose the license by the number of computers. Prices are in US dollars.
1 Computer
$39
- Home and private use
- 1 year of free updates
- Unlimited 24x7 support
Up to 100 Computers
$149
- One location in one country
- 1 year of free updates
- Unlimited 24x7 support
Up to 500 Computers
$499
- Offices in many places
- 1 year of free updates
- Unlimited 24x7 support
Mac edition licenses cost the same $39, $149 and $499. Buy the Mac edition license or download the Mac edition demo. See more savings on the RecoveryTools offers page.
9Is it safe?
Can You Trust the Software With Your Mail Archive?
See Results First
Test the free demo on a copy of your MBOX file and check the result 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 MBOX Split
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 MBOX file details and the error message.
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 load, preview and export screens.
11Still have a question?
Questions About Splitting MBOX Files
Can I split an MBOX file from my hard drive?
Yes. Click Add File or Add Folder and select the MBOX files.
Which split methods work?
Split by size, date, date range, year, sender or subject.
What size limit can I set?
Choose any limit from 1 MB up to 20 GB.
Do attachments move with the emails?
Yes. Attachments stay with their emails and sender, recipient, subject, date and formatting stay the same.
Do I need Thunderbird installed?
No. Software works with no email client.
Which files can I add?
MBOX, MBX and MBS files from Thunderbird, Apple Mail, Eudora and Google Takeout work. Orphan files work too.
Can I split many MBOX files at once?
Yes. Add a folder to split files in bulk.
Can I preview emails before I split?
Yes. Check emails and attachments in the preview first.
Is there a limit on the file size?
No. Software handles large MBOX files.
What does the free demo do?
Free demo mode splits only a few emails per file. Full version splits every email.
Is there a Mac edition?
Yes. Mac edition 4.0 works from macOS 11 up to macOS 15 on Intel and Apple Silicon. Set the system region to United States and the language to English. Get the Mac edition demo or the Mac edition license.
Which Windows versions work?
Windows 11 and 10 in 64 bit work. Install Microsoft .NET Framework 4.5 first.
How much does MBOX Splitter cost?
Personal costs $39 for 1 computer. Business costs $149 for up to 100 computers. Enterprise costs $499 for up to 500 computers. Mac edition licenses cost the same.
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 RecoveryTools Software
Split Your MBOX File With the Free Demo
Download the free demo, split a few emails and buy the license when you want every email.