Swiftly Tame Oversized PST Files with Shoviv PST Splitter

Effortlessly split large Outlook PST files with the Shoviv PST Splitter Tool. Maintain data integrity, improve performance, and organize your mailbox with easy size, date, and folder-based splitting.

Jul 24, 2025 - 15:31
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Swiftly Tame Oversized PST Files with Shoviv PST Splitter
Shoviv PST Splitter Tool

Splitting large Outlook PST files can be a nightmare. As mailbox data grows, Outlook may become sluggish, freeze, or corrupt files if PST file sizes become beyond safe sizes. To avoid such issues, the Shoviv PST Splitter Tool has an efficient, secure, and convenient solution to split large PST files into smaller, manageable slices—without compromising data integrity.

Why Split PST Files

Outlook versions have PST file size limits. Older versions support up to 20 GB, whereas the current versions can support 50 GB. Exceeding these sizes can cause Outlook to perform slowly, lead to slow searches, and increase file corruption risk. PST file splitting keeps your mailbox responsive, simplifies backup and recovery, and improves long-term data manageability.

Most important features of the Shoviv PST Splitter Tool

1. Split by Size
You can divide large PST files into smaller ones based on user-defined sizes such as 1 GB, 2 GB, or more. This maintains your files under Outlook's safe size.

2. Split by Date
It allows users to split data based on a specific date range—perfect for archiving older emails or splitting data based on time intervals.

3. Split by Year
Split an automatically generated PST file by calendar year. This is most suitable for businesses or individuals who have yearly email repositories or who like a cleaner organization.

4. Split by Folder
Data can also be split by individual folders like Inbox, Sent Items, or Contacts. Every folder is exported to a different PST file with the same original folder structure.


The Shoviv PST Splitter ensures 100% data preservation. All the email metadata, like To, From, Cc, Bcc, subject lines, text formatting, and attachments, is retained. It supports both ANSI and UNICODE PST files and all releases of Outlook from Outlook 97 to the latest Office 365 PST files. It is also supported by Windows 7 to Windows 11.

How to Use the Tool

Download and install the software.

  1. Open the software and put in the PST file that you want to split.
  2. Choose the selected splitting mode—by size, date, year, or folder.
  3. Set the saving path where the split PST files will be saved.
  4. Initiate the process of splitting.
  5. Subsequently, see the detailed log report of item quantities and folder summary.
  6. The interface is simple to ensure the process is accessible even to non-techie users.

Benefits at a Glance

  • Avoid Outlook crashes by minimizing file size
  • Enhances Outlook performance and speed
  • Effectively organizes mailbox data
  • Archiving and long-term storage-friendly design
  • Maintains data integrity when operating in split mode
  • Easy-to-use interface with advanced filtering functionality

Final Thoughts

For anyone to split enormous or bulky PST files, Shoviv PST Splitter Tool offers a simple yet powerful solution. With simple splitting features, complete compatibility, and secure data handling, it is the ideal utility for home use and business. Enjoy an organized, clean, and hassle-free Outlook with a dedicated PST splitter tool that is optimized for speed and reliability.
Read more: https://appsource.microsoft.com/en-us/product/web-apps/shovivsoftwarepvtltd1648288209598.outlookpstsplitter?tab=Overview

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