MacSonik PST Splitter for Mac download

Product Summary

MacSonik PST Splitter for macOS is a utility built to break oversized PST mail archives into smaller, more manageable files while preserving all mailbox data. It gives Mac users flexible options to tailor how PSTs are divided and provides a preview of file contents before any changes are made.

Main Features and Capabilities

Split PSTs using multiple criteria: by date range, sender address, or target file size.
Built-in preview that displays mailbox content in a hierarchical tree layout.
Option to choose where the resulting split files are saved and to define the maximum size of each output file.

Duplicate Cleanup and Quality Control

Removes duplicate messages automatically during the splitting process to keep the resulting folders tidy and free of repetition.
Ensures the original data fidelity is retained so no mailbox items are lost or corrupted.

Usability and Compatibility

Designed with an intuitive interface that is easy to navigate for users of all skill levels.
Compatible across a wide range of macOS releases, including both recent and older versions.

Recommended Alternative

If you want a lightweight, free option to consider alongside MacSonik, try MacDroid Free — a useful alternative for macOS users seeking different file-management capabilities.

Technical

Title

MacSonik PST Splitter

Requirements

Language

No language has been specified.

Available languages

License

Free

Latest update

2026-01-08

Author

MacSonik Software

Other Useful Business Software

$300 in Free Credit Towards Top Cloud Services

Build VMs, containers, AI, databases, storage—all in one place.

Start your project in minutes. After credits run out, 20+ products include free monthly usage. Only pay when you're ready to scale.

Get Started

Rate This App

User Reviews

Be the first to post a review of MacSonik PST Splitter!

Related Software

Mailvita Split PST for Mac Tool

This utility splits large PST email archives into smaller, manageable files while preserving the original folder structure, message content, metadata and attachments. It presents a straightforward interface suitable for both technical and non-technical users. Multiple splitting criteria are available — by date range, by folder, by sender/recipient or by maximum file size — and it maintains headers (To/Cc/Bcc), subject lines and attachments during processing. An alternate tool to consider is the FolderBrander trial edition.

MacGater MBOX to PST Converter

MacGater’s MBOX Converter handles MBOX, MBX, and MBS mailbox files from MBOX-compatible exports (for example, from common mail clients and export tools) and streamlines mailbox migration and archival with an emphasis on accuracy and simplicity. It supports batch conversion, preserves attachments, message contents, folder hierarchy, and metadata, offers email preview before export, and includes advanced options such as splitting oversized output files, applying date-range filters, and removing duplicate messages. A commercial alternative, Total Extractor, provides similar conversion and export features under a different interface and licensing model.

MacSonik PST Compress Tool for Mac

MacSonik PST Compress Tool is a free utility that shrinks Outlook PST files while preserving messages and attachments. It can compress multiple PSTs in a single operation to reclaim storage, offers an easy-to-use graphical interface, and is aimed at simple, everyday archive maintenance. This tool suits individuals and small offices that need straightforward PST size reduction and storage management. Paid alternatives are available if you require advanced features such as migration, advanced conversion, or scheduled automation.

MailDivert Mac PST Converter

MailDivert PST Converter moves Outlook PST mailbox data into other email and calendar systems and common archive/file formats while preserving folder organization and item fidelity. It migrates emails (with attachments and metadata), calendars and scheduled events, contacts and address book records, tasks and to‑do items, notes and annotations. The tool supports full-batch migration or selective export of chosen folders or items, offers naming templates to organize converted files automatically, and combines simple, user-friendly controls for basic conversions with advanced settings for detailed migrations. It can produce common archive and document outputs and includes a free trial that converts the first 25 items from each PST file for evaluation.

vMail PST to MBOX Converter for macOS

vMail’s PST-to-MBOX utility is a free tool for converting Outlook PST archives into standard MBOX files. It supports batch processing of multiple PSTs, offers a simple guided interface to reduce steps and complexity, and produces MBOX output compatible with a variety of mail clients—making it suitable for one-off or larger mailbox migrations. As an alternative, the ClarusX trial edition lets you evaluate conversion features before purchasing and may fit different workflows. By handling multiple files in one operation and creating standard MBOX output, the converter streamlines switching mail clients and makes straightforward migrations practical and easy to use.

DRS OST to PST Converter for Mac

DRS OST to PST Converter is a free utility that converts Outlook OST files to PST while preserving message contents and folder structure. It supports batch processing of multiple files in one operation and features a simple, straightforward interface for quick, low-effort use. This tool is well suited to individuals and small teams who need an easy, cost-free way to migrate multiple Outlook data files while maintaining mailbox layout and message integrity.

CubexSoft PST Wizard

CubexSoft PST Wizard is a demo utility that reads PST files and extracts and converts email data and attachments into common mailbox and document formats while aiming to preserve original data integrity. It supports batch export, extraction of attachments and embedded items, date-based filtering, and handles typical mailbox components such as messages, calendar entries, and contacts. The trial demonstrates full features but limits conversion to 25 items before requiring a license. Recommended uses include archiving email data into portable formats for long-term storage, migrating messages and attachments from PSTs to other clients or tools, and extracting and organizing attachments for compliance, backup, or sharing. For heavy-duty or unlimited conversions, the full license is required.

CubexSoft OLM Converter

CubexSoft OLM Converter is a utility for converting .olm archives into multiple file formats (PST, CSV, HTML, MHT, and more), enabling export of messages and mailbox data while preserving content and structure. It supports selecting individual folders or performing bulk transfers, offers configurable output naming and folder organization, gives control over where converted files are placed, and provides a straightforward menu-driven interface. The tool is intended to simplify migrations and archiving by keeping message content intact and is positioned as a cost-effective option for single users and small teams. Alternatives include other OLM-to-PST converters and manual export using built-in export tools; choose based on the formats you must support and the volume of mail to convert.

MacSonik PDF Splitter Tool

MacSonik PDF Splitter is a free utility that breaks large PDF documents into smaller files so you can extract and share only the sections you need. It supports splitting by page ranges or into a specified number of parts, offers an easy-to-learn interface, and speeds up routine document tasks. To use it, pick the source PDF, choose how you want it divided (pages, ranges, or equal parts), run the operation, and save the resulting files. If you prefer not to use a dedicated app, web-based document tools can also be used to extract and share selected pages.

MacSonik Outlook PST Converter

A multipurpose PST converter that helps users move and convert Outlook archive files into many common email and document formats and mail systems while keeping messages and folder organization intact. It’s intended to simplify migrations and exports between mail clients and cloud mailboxes. Core features include preservation of original folder structure and data integrity, batch processing of multiple archives in one run, selective filtering of items or folders for conversion, duplicate email detection and removal to reduce clutter, and a straightforward, easy-to-use interface.

Outlook PST Repair Tool for macOS

A PST repair and conversion utility that recovers mailbox data and prepares it for use in other email clients, extracting messages, contacts, calendars, and attachments and exporting them into widely accepted formats. The interface is designed to be approachable for casual users while providing tools needed for more complex migrations and data recovery tasks. Supported export formats include MBOX, HTML, VCF, ICS, MSG, and EML. Notable features include message preview with attachments before export, broad compatibility with PST files from various Outlook generations, and workflow options suited to both individual users and IT staff.

MacArmy PST Converter

MacArmy PST Converter is a free utility that converts Outlook PST files and folders into multiple formats for migration or archiving. It supports calendars, contacts, emails, attachments and other mailbox items, and can process items in bulk to speed handling of many files. The tool provides a straightforward interface suitable for both technical and non-technical users, with a simple layout and clear controls to reduce setup time. Key advantages include bulk export support and a range of output options to fit different workflows. EnzymeX (Free) is a recommended alternative with similar basic functionality and emphasis on simplicity.

Report inappropriate content