What Happens When You Block Someone on X?
Blocking an account on X stops it from following you, liking, replying to or reposting your posts and sending you direct messages, according to X's help page on blocking. If your posts are public, a blocked account can still see them. If your posts are protected, it cannot.
What a blocked account can and cannot do
| Action | Blocked account |
|---|---|
| See your public posts | Yes |
| See your protected posts | No |
| Follow you | No |
| Like, reply to or repost your posts | No |
| Send you a direct message | No |
| Add you to a list or tag you in a photo | No |
X does not send a notification when you block someone. If they visit your profile, they will see that they have been blocked.
The "can still see public posts" rule arrived in November 2024, when X changed blocking so it limits engagement while public posts stay visible, as the Associated Press reported. Before that, blocked accounts could not view your posts while logged in.
Example
An account replies to every post you make with insults. You block it: its replies stop, it unfollows you automatically and its messages stop arriving.
Why it matters for growth
- It keeps your replies healthy. Spam and abuse under your posts put off the people you want to reach.
- It protects your energy. Arguing with bad-faith accounts takes time that is better spent on posts and real conversations.
Block freely for abuse and spam. For accounts that are simply noisy, mute is gentler.
Related terms
Frequently asked questions
Can I undo a block?
Yes. Open their profile and choose Unblock.
Should I block or mute?
Block spam, harassment and bad-faith accounts. Mute accounts you simply want to see less of, since muting changes nothing on their side.
Last checked November 2026.
Fill your replies with good conversations instead: read the guide to growing on X with replies.