Write the subject line first. For many professionals, the subject line is an afterthought that you add just before you hit send. But Amanda Augustine, a career expert at TopResume, told Business Insider that it can be the most important part of the email.

Where do you put subject line?

The subject line of a business letter is often placed at the very top of the letter, or directly under the subjects name. In some instances, the subject line is also placed in line with the subjects name, justified to the right.

When should you include subject line?

Offer Value. The best subject lines communicate the promise of value. In other words, your subject line has to convince the recipient that the email contains information or messaging that will improve their lives and/or their businesses. Build Trust.

Is subject line included in email text?

The subject line of an email is the single line of text people see when they receive your email. This one line of text can often determine whether an email is opened or sent straight to trash, so make sure its optimized toward your audience.