The starred messages feature allows you to bookmark specific messages so you can quickly refer back to them later.

Star a message

1. Hover over the message you want to star.
2. Click Menu > Star message.

Note: To view all your starred messages, click Menu or above your chats list > Starred.

Unstar a message

1. Hover over the message you want to unstar.
2. Click Menu > Unstar message.

Alternatively:

1. Click Menu or above your chats list > Starred.
2. Select the message you want to unstar, which will take you to that specific message in the individual chat or group.
3. Hover over the message.
4. Click Menu > Unstar message.

Unstar all messages

1. Click Menu or above your chats list > Starred.
2. Click Menu or by "Starred messages" > Unstar all > UNSTAR.

Related resources:

How to star or unstar a message on: Android | iPhone