Tags and folders

Tags

1. Open an email, click ⋯ and choose Tags….
2. Pick a tag, or type a name to make a new one, like Paid or Waiting on client.
3. Add an amount if you like, handy for invoices.

Folders

1. Click + next to Folders in the sidebar and give it a name.
2. Move emails into it with Move to…, or drag them onto the folder.

Folders are saved on your mail server, so you see them in your other mail apps too.