The very beginning is to download and install Split PST software on your system.
Use the Browse button and add PST file from your system.
Check the complete data of PST file before you divide PST file.
The tool offers three options to split PST file – by size, by folder, and by year. Select any of the formats to divide PST file. Also, select other advanced options.
Click on the Browse button and specify a location to save the PST file after splitting.
To complete the process of splitting PST file, hit the Split Now button.