1. Open Facebook Messenger on your phone or computer. 2. In the top left corner of the screen, you will see the name of the person you are messaging. If the name is highlighted in blue, that person is active and online. If the name is not highlighted, that person is not active or online.
Video – How To Tell If Someone Is Active On Facebook Messenger
Now that you know how to tell if someone is active on Facebook Messenger, you can easily stay in touch with your friends and family. Be sure to use this helpful tips to keep you connected!