I also have a solution for you if you import a PST file into Outlook 2010: eSoftTools Outlook PST Recovery Software. It went off without a hitch and in a flash. This is where you'll find the split option if you want to split a PST file into multiple sizes. If you want to import PST files, there is a demo version of this software accessible. In the trial edition, you can convert up to 25 emails per folder.
Read more:- Import PST File into Outlook 2010
