How to mark messages in RoundCube
This tutorial assumes you've already logged in to RoundCube webmail
Now let's learn how to mark messages as read or unread
Let's highlight one of the messages
Both messages in the Inbox folder are currently marked as Read... you can tell this because the text is regular instead of bold
Click the Mark Messages icon
Let's choose to mark this message as Unread
The message is now marked as unread (since its text is bold), and our inbox shows 1 message as being unread
Selecting an unread message automatically changes its status to Read..... but if the message was already selected, you can mark it as Read by choosing the option in the Mark Messages icon
This is the end of the tutorial. You now know how to mark messages as read or unread in RoundCube