Need to convert OST Contacts to Outlook? or Need to open & read OST contacts in MS Outlook? OST Contacts Conversion tool at SysTools is the best solution. Transferring OST Contacts to Outlook becomes easier with Exchange Address Book Conversion software. Software is a reliable tool to convert OST contacts to Outlook. Software converts OST contacts to Comma Separated Value (CSV files) & Business Card (VCF files). Business Card allows you to import your Lotus Notes contacts to Mac Address Book, Novell GroupWise, iPhone, iPod, iTunes, Outlook Express, ACT and other vCard compatible address book software. Software allows you to open OST contacts in Outlook, vCard & CSV file. Exchange Address Book Conversion software require MS Outlook & Exchange 97 or above to be installed in the computer systems to export OST contacts or address book to Outlook. Software successfully runs on Windows XP/2000/2003/Vista OS.