Trend ScanMail for Outlook - Version 1.0 This is a free utility which is being given out by Trend Micro in order to help stop the spread of viruses like Melissa, Happy.exe and others which have spread quickly through Microsoft Outlook. Users of Microsoft Outlook 97 and 98 can now download Trend Micro’s free ScanMail for Outlook virus scanning program. This program scans Outlook folders for malicious code and attachments. If the program finds any virus-infected e-mail messages, you can configure the program to either clean, delete or ignore the message.