How to Install the iEnterprises
Connector for Netsuite
In Outlook, click Get Add-ins from the Home tab on the ribbon. You can also select File > Manage Add-ins, which will take you to Outlook on the web and open the Add-Ins for Outlook dialog there.
From the Add-Ins dialog, type “Connector for Netsuite” and select the add-in from the search dropdown.