Marking messages as unread
If you want to mark a message that has already been read as unread, move the cursor over the message, click the "..." displayed, and click [ Unread ].
Messages from the newest received to the one selected will be marked as unread, and the number of unread chats will increase.
Displaying the number of unread messages on a browser tab
When accessed on a PC browser, ChatWork can display the number of unread chat messages on the browser tab.
* In the above image, there are two TO: chats that are unread.
(The number in parentheses represents the total number of TO: chats that have been received.)