MacUncle PST Splitter

The best tool to divide/split PST file on Mac OS by maintaining the email file accuracy. It is possible to separate files directly and to be consistent with versions of Outlook 2000/2007/2010/2013/2016.

  • Split the large PST file based on the date, email, size, and folder of the sender.
  • Divide Encrypted PST files into Smaller Files on Mac.
  • Password Secured Outlook PST file is also supported.
  • It reads and separates the ANSI and Unicode PST formats.
  • Split multiple PST files without any loss of data.
  • Easy to user Graphical User Interface and Self-Instructive.
  • The Demo version enables the user to break and save the first 25 free PST files.
  • It runs smoothly on all Mac OS X 10.8 version and above.

  • Compatible with Mac OS 10.8 Mountain Lion and all latest versions.
  • Safe & Secure Virus Total Safety Score: 100%

2 Simple Step – Mac PST Splitter

MacUncle’s PST Splitter for macOS takes a few steps to divide Mac PST mailboxes

Set up Tool on Mac OS

Start by downloading the PST Splitter Tool to your Mac OS Computer and install effortlessly. Select PST files using Add File(s) or Add Folder(s) and press the next button to move further.

Select Splitting Option

The divider tool gives different options to split the Outlook PST file according to the attributes such as by, from, Size, Date to Date, etc. and a Filter option to filter out the Mailboxes. Then hit the OK button.

PST Splitter for Mac – Features

Read Software Features to Split PST File on Mac OS X Professionally

Splits Oversized PST Files Smoothly

By splitting a large PST file into many small parts, the Mac PST File Splitter helps to reduce the PST file size on a Mac operating system. The tool ensures PST file data secure and prevents corruption problems. Splitting the file until it is too late is easier.

Divide PST Files Based on Size

The saving option consists of a field to enter file size in TB, GB, and MB. Users can provide a required number to the filed to split PST files into smaller parts based on the size. The PST Splitter toolkit performs the process effortlessly and divides large size *.pst files without any restriction.

Supports Unicode and ANSI File Format

Outlook PST Splitter Mac supports both the ANSI PST and UNICODE PST files. In the earlier MS Outlook version, ANSI format is used and in recent MS Outlook versions, Unicode is used. It splits all PST files, whether it is a Unicode PST or ANSI PST file, and creates smaller size PST files with accurate data.

Divide Password Protected PST Files

Even if the PST file is encrypted and password secured, you can easily divide the file into several PST files by the PST Splitter for Mac apps. It also can divide a password-based PST file into many files without loss of data. This decreases the size of the PST file.

Split Outlook PST File on Mac Smoothly

To run the application, there is no need for any technical expertise. Easily operate the tool and split the PST files without any changes within a few simple clicks. Just add PST files and set the required field for PST file splitting.

Break First 25 PST Files for Free

The software's trial version enables the user to divide 25 Outlook PST files without any alteration to the file. But the user has to buy the full version of the software for overcome the limitation of trial version.

Divide PST Files Based on Folder

The Mac PST Split tool allows the user to split large PST files based on the directories inside the file. A separate file for each folder is generated after separating each file. Every file is reduced in size and the possibility of corruption disappears.

Compatibility with Mac OS

On all of the new versions of the Mac operating system, Mac PST File Splitter runs smoothly. No matter what version of Mac the user uses, the process stays the same. It supports the 10.8 Mountain Lion version of Mac OS X and above.

System Requirement

Get an Overview of PST Splitter Tool Features – DEMO and Licensed Version

Software Name: Mac PST Splitter
Processor: Minimum 2.4 GHz Processor
RAM: Minimum 1 GB
Minimum Hard Drive Space: 100 MB of free space
Operating System: X OS 10.8 Mountain Lion and all the latest Editions.

Software Specifications

  • Support: 10.15 Catalina, 10.14 Mojave, 10.13 High Sierra, 10.12 Sierra, OS X 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, and 10.8 Mountain Lion
  • Processor: 1 GHz Processor (2.4 GHz is recommended).
  • RAM: 512 MB of RAM (1 GB is Recommended).
  • Hard Disk Space: 10 MB of Free Hard Disk Space Required.


Size: 9.9 MB, Version: 1.0

Product Guides

Software Guide Installation Uninstallation EULA


PST Splitter Tool for Mac to divide large PST files into smaller mailboxes as per the requirement. The Demo version permits splitting the 25 PST files into a separate file. Purchase the license key to unlimited PST files at once.

Electronic Delivery

The delivery of product is automated. You will receive an email containing both the link to download the product and the activation key within few minutes after payment confirmation.

Request For Software Customization

If you need to customize Mac OS PST Splitter or need additional features, Quote Request

Video Tutorial on How to Use PST Splitter on Mac
Learn the Procedure to Divide Outlook PST Files

What Customers Are Saying

Verified Purchase Reviews - MacUncle PST Splitter
Frequently Asked Questions

Follow the steps given to split PST file into smaller separate files -

  • Step 1: Download the PST Splitter Mac Tool.
  • Step 2: Add PST files to the software panel.
  • Step 3: Pick an option to split the PST file by file, size, and year.
  • Step 4: To save resultant PST files, choose the destination location, and click OK.

Yes, using the choices given in the Saving option, split PST file based on the date and find the appropriate file and then carry out the procedure.

Yes, without causing any harm to the records, the Mac PST Splitter splits password protected PST files.