MacUncle PST Splitter

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

  • Split the large PST file based on 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
  • Outlook PST File Splitter Supports ANSI & Unicode PST Files
  • Split multiple PST files without any loss of data
  • Easy-to-user Graphical User Interface
  • The Demo version enables user to break and save the first 25 free PST files
  • PST Splitter Tool runs smoothly on all Mac OS X 10.8 version and above

  • Install the Desired Version for Mac & Windows OS
  • Get the Result with Complete Security

2 Simple Step – Mac PST Splitter

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

Set up Tool

Start by downloading the PST Splitter Tool to your 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 – Unique Features

Know the Important Features of the tool to Split PST Files Proficiently

Splits Oversized PST Files Smoothly

By splitting a large PST file into many small parts, the PST File Splitter helps to reduce the PST file size on a Mac operating system. The tool keeps PST file data secure and prevents corruption problems.

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 split PST files into smaller parts based on the size. The PST Splitter tool performs the process effortlessly and divides large size *.pst files without any restrictions.

Supports Unicode and ANSI File Format

Outlook PST Splitter Mac supports both the ANSI 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. It also can divide a password-based PST file into many files without the 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 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 free trial version of the software enables users to divide 25 Outlook PST files without any alteration to the file. However, the user has to buy the full version of the software to overcome the limitations of the trial version.

Divide PST Files Based on Folder

The Mac PST Split tool allows users 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

Mac PST File Splitter runs smoothly on all the new versions of the Mac operating system. 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


The Demo version of the PST Splitter Tool for Mac permits splitting 25 PST files into separate files. Purchase the license key to split unlimited PST files at once.

Electronic Delivery

Product delivery is carried out automatically. Soon after the payment confirmation, you will receive an email with a link to download the product and an activation key.

Get the Software Customized

Request a quote if you need to modify PST Splitter Tool or if you require more capabilities.

Customer Support

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 given steps 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 the OK button.

Yes. Use the two different add buttons to upload PST files to the software panel. Later choose the desired files from the list and split large PST files. To split unlimited PST files get the professional version with more advanced features.

Yes, the Mac PST Splitter tool is capable of splits splitting even password protected PST files without causing any harm to the records.