Check step by step guide to split large PST file into small multiple PST file.
Step 1: Download, install, and launch Outlook PST Splitter.
Step 2: Click on "Open" button to browse PST file.
Step 3: You can check the folder structure in the left panel.
Step 4: Now select the desired loaction to save the split PST file.
Step 5: There is an option to split PST file by size and you can also customized it.
Step 6: To split data between specific date range select Message Split option.
Step 7: You can also select the Message Filter Option to select a certion option.
Step 8: Now click on the Start Split button to begin the process