Why Can’t I Block Someone on Facebook?

Facebook’s block feature allows restricting specific people from viewing your profile or contacting you. But sometimes the option to block someone disappears or Facebook prevents you from blocking accounts.

There are several potential reasons why Facebook may not allow you to block a user and troubleshooting tips to resolve these blocking issues.

Benefits of Blocking on Facebook

Blocking on Facebook:

  • Prevents a user from viewing your profile, posts, stories.
  • Stops them from messaging you or leaving comments.
  • Removes you from their followers and suggested contacts.
  • Provides control over your Facebook experience.

But Facebook does limit blocking ability in some cases.

You Already Have the User Blocked

The most common reason blocking fails is you already blocked that user.

  • Facebook grays out the Block button if someone is already blocked.
  • Check your blocked list to confirm if they are already restricted.
  • Unblock first if you need to block again after unblocking.

Restrictions on New Facebook Accounts

Facebook limits blocking on new accounts:

  • To prevent abuse from fake accounts.
  • Restrictions lift automatically over time with normal use.
  • Use reporting instead until restrictions are removed.

Hitting Facebook’s Block Limit

Facebook limits total blocks to discourage mass blocking:

  • Around 5,000 blocked accounts is the approximate maximum.
  • Delete old blocks if you are nearing the restriction limit.

Prune your block list periodically to stay under the cap.

Trying to Block an Inactive or Deleted Account

You cannot block accounts that are:

  • Already disabled or deleted.
  • Removed by Facebook for violations.
  • Completely inactive for an extended time.

The account must be currently active to apply blocks.

Blocking Problems Caused by Bugs or Glitches

Like any software, Facebook has occasional bugs that can temporarily disrupt features:

  • Bugs when new code is deployed can cause blocking errors.
  • Glitches that resolve on their own after a period of time.
  • Try again later or update app to resolve transient bugs.
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Cannot Find the User Profile to Block

You first need to visit the user’s profile before accessing the Block button:

  • But if they changed usernames, the old profile is inaccessible.
  • Ensure the profile still exists before trying to block.
  • Search to find their active profile before blocking.

Reporting Users You Are Unable to Block

If blocking fails, report abusive users instead:

  • Reporting achieves similar restriction goals as blocking.
  • Report for harassment, bullying, impersonation, etc.
  • Facebook reviews and takes action on reported accounts.

Reporting removes content and can disable accounts in many cases.

Ensuring You’re Logged Into the Correct Account

Double check you are logged into the proper Facebook account:

  • The one where you need to block the user.
  • Log out and back in to correct profile if needed.
  • Use connected social media accounts to easily switch logins.

Attempting to block from the wrong account will fail.

Facebook Blocking Unavailable on Certain Devices

Facebook’s blocking capabilities vary by platform:

  • Blocking may be unavailable on some mobile browsers.
  • The desktop website offers fewer blocking options than mobile app.
  • Stick to the native apps which offer the full range of blocking.

Using Alternative Restriction Options on Facebook

While not as complete as blocking, you can also:

  • Unfollow or mute someone’s posts without blocking.
  • Restrict comments and tagging ability on your posts.
  • Make your account private so only approved friends see content.
  • Delete or ignore unwanted messages without replying.

Pre-Emptively Blocking Abusive Users

If you notice a pattern of harassment from certain accounts:

  • Block them at the first sign of abuse before it amplifies.
  • Build a custom ban list of repeat offenders.
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Don’t wait for the limit if continually dealing with harassers.

Troubleshooting Tips for Facebook Blocking Issues

Try these troubleshooting steps if blocking fails:

  • Restart the Facebook app.
  • Update the app to the latest version.
  • Log out and log back into the account.
  • Search for the exact profile name to block.
  • Use the mobile app if website blocking doesn’t work.
  • Delete old blocks if near the limit.

Contacting Facebook Support for Help With Blocking

If no troubleshooting allows blocking an abusive account, contact Facebook support:

  • Request a block directly through Facebook’s Help Center.
  • Report inability to block harassing accounts appropriately.
  • Provide usernames, screenshots, and context.

Facebook can review issues and remove undeserved blocking restrictions.

Facebook’s Policies Around Limiting Blocks

Facebook’s blocking limits intend to:

  • Prevent endless blocking, bullying, and revenge blocking sprees.
  • Moderate usage among billions of users.
  • Incentivize addressing conflicts directly.

But limits can also hinder blocking persistent harassment and abuse in some cases.

Using Facebook Blocking Responsibly

Best practices for responsible blocking include:

  • Avoid reflexive blocking over minor disagreements.
  • Don’t spread block lists to orchestrate piles-on.
  • Temporarily restrict abusive contacts if needed.
  • Lean more on muting unless actually harassed.

Use blocking tools judiciously, not impulsively.

Frequently Asked Questions About Facebook Blocking Issues

Does Facebook notify someone if you block them?

No, Facebook does not directly notify someone if you block them. The only indication is losing ability to visit your profile or contact you. They have to determine they’ve been blocked on their own.

Can someone tell if you’ve blocked them on Facebook?

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There are ways someone could suspect they’ve been blocked, such as disappearing from each other’s friends lists or inability to message you. But Facebook itself provides no notification or definitive indicator.

Why does Facebook limit the number of accounts you can block?

Blocking limits aim to prevent bullying or harassment involving blocking many users. But this can hinder dealing with a small number of persistent abusive contacts once reaching the blocking maximum.

Can you block someone on Facebook who doesn’t follow you?

Yes, you can block any Facebook user even if they are not currently a friend or follower. You don’t need an existing connection to restrict an abusive or harassing account.

What happens when a blocked Facebook user messages you?

If a blocked user attempts to message you, they see the message go through on their end but you will never receive any messages they send. Blocking prevents all forms of contact.


While Facebook intends its blocking restrictions to curb bullying and retaliation, limits can sometimes hinder dealing with legitimate harassment. Understanding why blocking fails allows troubleshooting issues judiciously and using alternative restriction options.

With Facebook’s assistance, most challenges to blocking abusive accounts can be overcome.


  • Adekiya Joscor

    Am a Tech blogger | Content Writer | Website designer | Freelancer | YouTuber. Need any of my help? Use any of the social handles below to get to me.

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