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Overview
Split Large MBOX Files Without Losing a Byte — Fast, Safe, and Easy with SysTools MBOX Splitter. If you’ve ever worked with large MBOX files, you know the struggle—slow loading times, risk of corruption, and difficulty managing data. That’s why smart users turn to the SysTools MBOX Splitter Software, the most reliable way to break down oversized MBOX files without any data loss. Whether you’re managing emails from Thunderbird, Apple Mail, or any MBOX-compatible client, this tool makes splitting files effortless and error-free.
Key Features of the Best MBOX Splitter
Split MBOX files by:
Size (e.g., every 100MB, 500MB, 1GB, etc.)
Date (before or after a specific date)
Date Range (Within applied To and From date)
Yearly (Separate File for each Year)
100% Data Integrity
No matter how large your MBOX file is, the software ensures that:
No emails are lost or skipped
Attachments remain intact
Metadata stays preserved (To, From, Subject, Date, etc.)
Supports All MBOX Files:
Compatible with MBOX files from:
Mozilla Thunderbird
Apple Mail
Eudora
Entourage
SeaMonkey
Opera Mail
Gmail MBOX exports
And more!
Easy-to-Use Interface:
No technical knowledge needed. The clean UI walks you through every step, making it beginner-friendly yet powerful enough for experts.
High-Speed Performance
Split even GB-sized MBOX files within minutes, without freezing or crashing. Ideal for time-sensitive projects.
Why Choose SysTools MBOX File Split Software?
Works Offline — 100% desktop-based tool
Batch Processing — Split multiple files at once
Smart Preview — Review MBOX file details before splitting
Software Ensures to Keeps Folder Structure Intact
Supports both Windows 11 and earlier versions
Use Cases:
Managing bulky email archives for faster loading and easier search
Avoiding MBOX file corruption due to large file size
Email migration or backup preparation
Streamlining email forensic analysis
Improving Thunderbird/Apple Mail performance
How to Use SysTools MBOX Splitter Software?
Download and install MBOX split software on your Windows system.
Add MBOX files using the 'Add File' or 'Add Folder' option.
Choose your split option — Size, Date, Folder, or Email ID.
Select destination path to save the output files.
Click on Split, and you’re done!
FAQs About SysTools MBOX Splitter Tool
Q1. Is this software compatible with Gmail exported MBOX files?
Yes! It fully supports Gmail MBOX files downloaded via Google Takeout.
Q2. Will my attachments or headers be removed after splitting?
Not at all. The software retains all email properties, attachments, and formatting.
Q3. Can I split multiple MBOX files in one go?
Yes, the tool supports batch processing of MBOX files.
Q5. Is there a file size limit for splitting?
No. The software can handle large files (even 10+ GB) without performance issues.
Final Thoughts:
If managing large email archives is giving you a headache, it’s time to simplify with the SysTools MBOX Splitter Software — the best MBOX splitter for personal and professional use. Split smarter. Manage better. Protect your data. Download SysTools MBOX File Split Software and take control of your email storage today.
Note - Demo Version will split first 50 emails from Each MBOX files.
Features
Multiple Splitting Options100% Data IntegritySplit by Size option to Merge any large sized MBOX fileSplit by Date option to split Mbox file into before and after file Split by Date Range option to split emails within applied rangeSplit by Year option to fragment emails year wise in separate mbox filesPreview Split Process with Success and if any Failed countDetailed CSV report to verify splitted data
Additional Information
- Developed by SysTools Software Pvt Ltd
- Version 2025.04.27
-
Requires
Available on: PC, Mobile
OS: Windows 10 version 17763.0 or higher
Memory: 4 GB
Keyboard: Integrated Keyboard
Mouse: Integrated Mouse
Processor: Intel(R) Core (TM) i3-7400 CPU @3.00GHz 3.00 GHz
- Published 2025-04-27
- Size 114.5 MB
- File Type appx/msix
-
Language
English (United States)
-
Permissions
Uses all system resources
- Microsoft Store ID 9pgc30w8wzm7
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How to download and install SysTools MBOX Splitter from the Microsoft
Method 1: Download and Install via the Microsoft Store
This is the most straightforward and secure way to get SysTools MBOX Splitter.Step 1: Open the Microsoft Store
Step 2: Search for SysTools MBOX Splitter
Step 3: Download and Install
Step 4: Access the App
Method 2: Download from the Official Microsoft Website
If you prefer downloading directly from the web, you can use the official Microsoft website.Step 1: Visit the SysTools MBOX Splitter Page
Step 2: Download the App
Step 3: Install SysTools MBOX Splitter
Step 4: Use SysTools MBOX Splitter
Tips for a Smooth Installation
Conclusion:
Both methods ultimately utilize the Microsoft Store, ensuring the app's safety and reliability. Whether you prefer browsing within the Store or starting via the website, both approaches lead you to successfully download and install SysTools MBOX Splitter.SysTools MBOX Splitter FAQs
How to download and Install SysTools MBOX Splitter on Windows PC via the NWindows Store
How to Search and Download SysTools MBOX Splitter for PC Windows?