Probably, at sometimes you must have blocked someone on Facebook or Facebook Messenger, after blocking, that blocked person cannot post on your timeline, cannot send you a message, cannot add you in any group and cannot tag you in a post. But what about that, if you accidentally blocked a friend on Facebook or Messenger and you don’t know how to unblock, then this article is important for you.
Here we will provide a complete guide that will show you the fastest and easiest way to block and unblock someone on Facebook and Facebook Messenger.
What Happens When You Block Someone On Facebook or Messenger
As you would know that when you block someone on Facebook or Messenger, that user cannot message you, tag in a post, nor post anything on your timeline. Apart from this, all the old posts and comments of that blocked user will disappear, blocked users cannot see your posts, comments profile photo, and other details. All the posts, comments, and everything else between you and the blocked person will disappear from your perspective.
How to Unfriend Someone On Facebook and Messenger
When the activity of one of your Facebook friends starts bothering you. Or if that Facebook friend tags you in a post that you do not want to publish or annoys you by sending a message to the messenger, then it is a better option to unfriend or block such a Facebook user.
When you unfriend someone on Facebook, that user also exits from Messenger’s friend list. But first, know how to block someone on Facebook. But even today, most Facebook users are such that they do not know how to block or unfriend someone on Facebook and Messenger.
For unfriend someone on Facebook on PC. Go to the Friend list and type that user name in the search bar and click on the icon that appears in the image below then click on Unfriend.

For unfriend someone on Facebook app.
- Go to friend list and select that user which you want to unfriend.
- Tap on the three dots on the right.
- Tap on Unfriend.
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How to Block or Unblock Someone on Facebook – On PC
Step 1. On the Facebook window, click the down arrow at the top right of the corner, then click Settings.

Step 2. Click Blocking on the left sidebar.

Step 3. As you can see all blocked users are visible. Find the user you want to unblock, then click Unblock and if you want to block a user, type their name in the box and click on the Block.

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Note: You can also block any user from here, just type the username in the box then click on the block. But remember, you cannot unblock a user for 48 hours after blocking.
When you block someone on Facebook, that user gets unfriended also. If you unblock anyone, that user will still not be included in your Facebook messenger friend list unless you send a friend request to that user. Only after accepting your request will he be able to join your friend list.
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Step 4. Click Confirm to unblock the user.

How to Block or Unblock Someone On Facebook App
Step 1. Click on the three lines on the top right corner then click on Settings.

Step 3. Click on Blocking.

Step 4. Find the user which you want to unblock then click on UNBLOCK.

Step 5. Click Unblock to confirm.

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How to Unblock Someone On Facebook Messenger
Unblocking someone on Facebook Messenger is almost the same as Facebook. For this, login to your Facebook Messenger and tap on your profile picture.

Tap Account Settings.

Now click Blocking to find a blocked user.

As you can see, all blocked Facebook Messenger users are visible, find the user you want to unblock then tap UNBLOCK.

Once you tap on unblock, the user is able to post, tag and message you.

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