With OSTTOPSTAPP ANSI to Unicode Converter Tool, you can effortlessly export ANSI PST files to Unicode PST file layout. Old ANSI PST files can be converted to New Unicode PST files with this Tool. Users can migrate PST files into Unicode PST files without any data loss and transfer data accurately and securely. The Unicode Outlook PST data file size is infinite, but the ANSI Outlook PST file size is at 2GB. It contains additional features including tasks, calendars, attachments, emails, notes, messages, and contests. All Windows OS versions, including 11, 8.1, 8, 7, Vista, and XP, are compatible.