With the Sidekick Outlook plugin, you can track emails directly within Outlook.
It is a program that allows you to track email opens and clicks.
Instantly schedules meetings from the Outlook's interface.
Citrix Online Audio, LLC
A service that lets you manage small and large audio conferences.
Citrix Online, LLC.
This plugin allows you to schedule and update meetings directly from Outlook.
Sync data with Microsoft Outlook via an Outlook plugin.
OB Mail Merge is an Outlook plugin for sending bulk email.
A plugin for the search and processing of duplicates in Outlook folders.
intraVnews is an RSS/Atom feed reader plugin for Microsoft Outlook XP and later.
SpamGrabber is a free spam reporting plugin for Outlook 2007 & 2010.
RealAccount, freeware plugin to enhance accounts handling with MS Outlook.
Anti Spam plugin for Outlook Express with with Bayes filtering and rules.
WaveLook is a free plugin that integrates Google Wave into your Outlook inbox.
It is a plugin that enables you to get AtTask right into Microsoft Outlook.