Anchor links can be useful if you have a table of contents or send bilingual emails and want to link to the part of the email where the content of the secondary language starts.
Step 1: add an anchor and give it a name
Step 2: link to the anchor from any link from your email by typing #anchorname as the link:
Anchor links support across email clients
Note that anchor links aren't supported by every email client; notably they won't work in the native email app for iPhone IOS8 and newer.
A workaround is to link to the anchor in the online version of your email. That way when the anchor link is clicked, readers are taken to their web browser where anchor links (# hashtag links) are widely supported. To link to the anchor link in the online version of your email use this as the target URL for the link: