PST Splitter to Split PST Files for Mac & Windows

Oversized PST files are one of the most common reasons behind Outlook slowdowns, freezing issues, mailbox corruption, and performance errors. Whether you are using Outlook on Windows or managing Outlook data on Mac systems, handling large PST files becomes difficult over time. Many users search for a reliable SysTools PST Splitter to divide huge Outlook PST files into smaller and manageable parts without losing emails or attachments.

In this post, we will discuss manual techniques to split PST files, their drawbacks, and why the SysTools PST Splitter Tool is considered one of the best solutions for Mac & Windows users.

Why Split Large PST Files?

As Outlook mailbox data grows continuously, the PST file size also increases. Large PST files can create several issues such as:

• Outlook becoming slow or unresponsive
• High chances of PST corruption
• Problems while importing or exporting PST files
• Backup and migration difficulties
• Increased loading time for emails and attachments
• Risk of data loss in oversized Outlook files

Splitting PST files into smaller parts helps improve Outlook performance and reduces the chances of corruption.

Manual Techniques to Split PST Files

1. Outlook Archive Method

Users can archive older emails into a separate PST file using Outlook’s Archive feature.

Setbacks:

• Cannot split PST files by exact size
• Very time-consuming for large mailboxes
• Risk of duplicate or missing emails
• Requires Outlook installation
• Not suitable for damaged PST files

2. Create New PST File & Move Data

Another method is creating a new PST file manually and transferring mailbox folders.

Setbacks:

• Completely manual process
• Difficult for non-technical users
• Chances of accidental deletion
• Folder structure may get disturbed
• Not practical for very large PST files

3. Import/Export Wizard

Outlook Import/Export Wizard allows exporting selected folders into another PST.

Setbacks:

• No automatic PST splitting option
• Requires repeated manual efforts
• Large exports may fail or freeze
• Consumes significant time

Why Only SysTools PST Splitter Tool?

Manual methods may work for small Outlook files, but they are not reliable for professional use or oversized PST files. The SysTools PST Splitter Tool provides a safe and automated solution to split PST files on both Mac & Windows environments without affecting mailbox data.

The software is designed to handle large PST files smoothly while maintaining email properties, attachments, folder hierarchy, and data integrity throughout the splitting process.

Unlike manual methods, the tool offers multiple advanced splitting options and supports both ANSI and Unicode PST files.

Key Features of SysTools PST Splitter

• Split PST files by size, date, year, and folder
• Supports large Outlook PST files without limitations
• Maintains original folder hierarchy and metadata
• Compatible with Outlook PST files from Mac & Windows systems
• Supports ANSI and Unicode PST formats
• Preserves attachments, contacts, calendars, and emails
• Simple interface suitable for all users
• No risk of data loss during the splitting process
  

Steps to Split PST Files Using SysTools PST Splitter

1. Download and launch the SysTools PST Splitter Tool.
2. Add the Outlook PST file into the software.
3. Choose a splitting option such as size, date, folder, or year.
4. Select the destination location to save split PST files.
5. Click the Split button to start the process.
6. Wait for completion and access the newly created PST files easily.
   

Conclusion

Managing oversized PST files manually can be difficult, risky, and time-consuming. Although Outlook offers some manual techniques, they come with several limitations and may not work effectively for large mailbox data. The SysTools PST Splitter Tool provides a faster, safer, and more professional solution for splitting PST files on Mac & Windows systems without affecting original Outlook data.