How to write effective internal email subject lines

Why email subject lines are important.
Subject lines are an underappreciated asset.
Internal communicators devote significant effort to crafting the content of employee emails, such as announcements, news updates and safety memos. Yet, the subject lines are often just an afterthought.
Since subject lines contain a lot of power, this is an unfortunate oversight. To name a few benefits, an effective subject line can:Capture the recipient’s attention.
Motivate a recipient to take action.
Spar