1. Download the corporate version of the software and select 'Split Multiple Files' option on the welcome screen.

2. Now select your split criteria – 'Split by Time' or 'Split by Size'.

3. In case, you select 'Split By Time' option, then you will encounter below screen:

4. In case of PST files saved at different locations, enter the PST file path, destination path, start date, end date, and then click on 'Add PST File' button.

5. In case PST files are saved in a specific folder, enter the PST file path, size, and then click on 'Add PST File' button.

6. In case, you select 'Split By Size' option, then the below screen appears:

7. Repeat steps 4 and 5 to select the PST files.