You are using a version of Outlook which is not compatible with your version of Act! Refer to each section below, in order, to troubleshoot this issue:
Corrupted Outlook toolbar customizations.Internet Zone setting for Outlook 2003 (v16 and earlier only).The Act! add-in is being blocked by Outlook Macro Security.The Act! add-in is disabled or not configured to load in Outlook.The Act! address book was not properly added to Outlook.Windows file permissions blocked installation of Act! address book provider information.Windows User Account Control Settings (UAC) are blocking the Act! add-in from loading (Windows Vista and later only).
This issue can occur for multiple reasons: My Act! icons are missing from Microsoft Outlook.