Split Oversized PST files
To split PST file, many solutions are available but one should choose safe solution therefore I would like to recommend Split PST Tool that comfortably split any large PST file into smaller parts with 100% data safety. Moreover, the software works without installing Outlook. You can split any large PST file based on size, year, and folder in a few minutes with this application.
Visit here for more info: https://www.osttopstapp.com/split-pst.html
You can also try this PST Split Tool, it is one of the best tools to split Outlook PST files to smaller parts with all emails, contacts, calendars, tasks, and etc. without any single data loss. There is no file size limitations, you can split a large size PST files without any single data loss. It supports all the latest and below versions of MS Outlook and Windows OS including Windows 10. you can also try its free trial version.