With billions of worldwide email users, Outlook sits as one of the top three email, productivity and storage software giants, providing features from business to entertainment for 4.06% of global users.

And like giants need potions and boosters for strength, there are Outlook boosters or add-ons that transform Outlook into a more powerful tool for your everyday work.

In this article, you'll find eight Outlook add-ins your workflow will thank you for. But first, let's show you how to pick the best Outlook apps.