If you've recently added a new email account to the Mail app on your Mac, then you know that your email will usually appear in the sidebar as is. This means that whatever your email is, generally at least, usually appear in the sidebar. This can be a bit annoying, especially if your email is too big to fit in the sidebar of the Mail app.
If you have multiple emails that are all very similar, this can be especially confusing. It can, however, be easily changed by changing the description name of that email in system preferences. Once the description name is changed, your email will appear with that description in the sidebar of the Mail app on your Mac.
In this guide, I show you how to change the name that appears in the sidebar of the Mail app on your Mac in under two minutes. Let's get started!