Step 1: Download, install, and Run Outlook PST Splitter.
Step 2: Click on the "Open" button to browse PST file.
Step 3: Now select the desired loaction to save the split PST file.
Step 4: There is an advanced option to split PST file by size and you can also customized it.
Step 5: To divide data between specific date range select Message Split option.
Step 6: You can also select the Message Filter Option to select a certion option.
Step 7: Now click on the Start Split button to begin the process