These are the Windows desktop versions of Outlook. Let’s dive in and see if we can straighten it out a bit. All of this can be a giant headache if you let it. The name “Outlook” covers several different email clients with a couple of different rendering engines and at least two different viewing settings. Outlook has been a plague of email marketers for a long time, but does it have to be? How can we work with it? Read on to find out how I came to love Outlook, despite its many faults. People can’t engage the way you want them to with a broken email. Then you test it, and it looks great… except in Outlook, where it’s completely broken. You create a beautiful email with interesting GIFs, accessible buttons, and eye-catching images. Enterprise Plan Boost collaboration and drive results.Litmus Plus Automate testing to ensure quality.Litmus Basic Build error-free, effective emails quickly.All Plans See solutions for companies of all sizes.