There are many online, third-party tools and project management platforms designed to integrate with your current email program by installing a plugin or application. Here are some options. You’ll want to do some research to determine which one will work best for your specific needs.

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Teamwork

Basecamp

Central Desktop

Trello

Asana

Smartsheet

OneNote

Project Management Plugins for Outlook:

CodeTwo

Getting Things Done Outlook Add-In