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Sysinfo OST Splitter Tool

Split OST files using different methods.

Split offline folder files stored in Microsoft Outlook into two or more files and optionally convert them to PST and other formats. Select to split OST files by their size, by the date they were created, or based on the sender. Detect and remove duplicate items.


  • Three split methods
  • Detects duplicates
  • Support all Outlook versions


  • No option to merge files
  • Developed by SysInfoTools Software
  • File name: sysinfotools-ost-splitter.exe (34.1 MB)
  • Latest version: 22.1
  • License: Shareware
  • Updated: July 31, 2022
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