Components libraries are commonly used by marketers for web design. However, it’s also very useful to create a library of components for your email campaigns. Email components are the different sections that make up your messages. A component can be the header or the call-to-action buttons, for example.

Once you have created your library, you can design all your emails with those components knowing that they will respect your brand design guidelines. This will also allow you to test your entire library to guarantee that any email created with those components will be displayed correctly. Also, this will help you test different layouts more quickly, either when creating new email messages or running A/B tests on existing emails.
Make sure to use an emailing solution offering the possibility to create a components library, (like one with a saved sections feature) and then:
Result
Using a library of components will help improve your brand consistency, reduce display errors, and save you time when designing emails for your subscribers.