Split 4GB PST: Break Oversized Outlook Files

Key Features

• Split 4GB PST files very famous splitting tool for UNLIMITED heavy PST files updated V4.0.
• Use something new in Split PST software recently come with new tech easily split large PST files into smaller parts, split 4GB PST files software has 5 modes to split PST by date, by year, by size, by folders, by selected folders.
• Outlook Splitter tool split large PST files like Journals, Calendar, Contact, Emails etc into smaller .pst files.

Technical Specifications

• **Publisher:** Pstsplitter.org
• **License:** Shareware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Utilities / File Cleanup