An open blue circle with a check mark shows that your message has been sent. The person who has blocked you might still appear here even if they have blocked you, but, you will not be able to message them. An open blue circle means that your message is in the process of sending. When you see this blue outline of a circle, it is an indication that your message is being sent. If the outline is in white, that means you are still able to message them on Facebook Messenger. The whole purpose of Facebook Messenger is to rival messaging services such as Viber, Whatsapp, iMessage or even SMS text messaging so that your message will get to the other partyâs phone immediately. Look for the tiny circle next to the message you've sent. A Blue Circle. You might notice there are four different circle icons that can appear, and they all have a different purpose. Before when I sent a message, it would have a blue filled in circle with a checkmark, and thus they would reply, but now there is a circle with a checkmark not filled in and they aren't responding to my message so I don't know if it got delivered. In a nutshell, the blocked person cannot contact you on Messenger and you cannot contact the blocked person on Messenger. The first way to find out if someone has blocked you on Facebook Messenger is to send them a message on your phone or tablet. Here is what each one means: 1. Step 2: Type your friend's name in the search box located at the top of the screen. Facebook Messenger Symbols: Friends List. There are two ways to open the chat window for a friend on Messenger. However, if the outline is black, then you have been blocked by them. Yes No. This wonât work if your friends donât have Facebook Messenger installed on their phone or tablet. Community Answer. Open Blue Circle + Check Mark. Follow these simple steps to do it; Step 1: Open Facebook Messenger app on your phone or tablet. Facebook Messenger lets you know when a message has been sent, delivered, and read. Not Helpful 7 Helpful 31. If You Block Someone, Does It Remove the Conversation. If you see this symbol, youâll want to wait until the message finishes sending before navigating away. ... What does a grey circle with a white check mean on Facebook Messenger? Note: Blocking someone on Messenger does not hide that person from your Messenger app list of friends. The Meaning of Facebook Messenger Symbols. Facebook Messenger Icon: Open Blue Circle + Checkmark The open blue circle with a checkmark means that your message has been sent. Blocking someone will not delete the conversation thread from any side. Something to keep in mind is that if someone has blocked you on Facebook Messenger, it doesn't necessarily mean they've also blocked â¦ Nope. 2. Open Blue Circle. At this point, you should be able to navigate away from the message without any worries, but the person you â¦ What does it mean when there is a red exclamation point on Messenger ? If you scroll through the conversation, off to the left of at least one of the messages you will see this same icon, the red circle with an exclamation point inside. What do the Facebook Messenger symbols mean? Thanks! The red circle with a red exclamation point shows that a message was not sent to receiver. Question. I've been messaging a person I am not friends with on Facebook messenger, and I think for some reason they aren't receiving my messages.