The PST upgrade utility quickly runs ANSI PST to UNICODE PST and UNICODE PST to ANSI PST. The software is enhanced with an advanced conversion algorithm that supports batch operations to convert PST files. It can safely convert PST files without altering the original files and folders. The software supports all higher or lower versions of the Microsoft Outlook email client application.
Check the free trial version of this tool, here: – Upgrade Outlook PST from old to newer.