Outlook 2007 to Outlook 2000 Downloader

Outlook 2007 to Outlook 2000 ? Using PST Upgrade tool, a product of SysTools allows users to convert Unicode PST to ANSI PST and to convert ANSI PST to Unicode PST file format without hampering of any data loss. Open your Outlook PST file with error "Properties for this information service must be defined prior to use" to ANSI PST file with this PST conversion software.