To block someone on Facebook Messenger, follow these steps depending on your device:
On Mobile (Android or iOS)
- Open the Messenger app.
- Find and open the conversation with the person you want to block, or search for their name in the search bar.
- Tap on their profile picture at the top of the chat.
- Scroll down and tap Block.
- You will see options to either:
- Block on Messenger (blocks messages and calls but keeps them as Facebook friends),
- or Block on Facebook (blocks them on both Facebook and Messenger).
- Confirm your choice to complete the blocking process
Alternatively, you can:
- Tap your profile picture in the upper-left corner of Messenger.
- Go to Preferences > People > Blocked.
- Tap Add Someone and select the person to block.
- Confirm blocking as above
On Desktop (Windows or Mac)
- Go to facebook.com and open Messenger (icon at the top right).
- Click the chat with the person you want to block.
- Click the Settings icon in the upper-right corner of the chat window.
- Scroll down to Block Messages and click it.
- Confirm by clicking Block Messages again
What Happens When You Block Someone on Messenger?
- They cannot send you messages or call you on Messenger.
- They won’t see your active status or any activity on Messenger.
- If you block them on Facebook as well, they cannot see your profile or interact with you on Facebook
Blocking is discreet; the person will not be notified that you blocked them
. This covers the main ways to block someone on Messenger across devices.