How to Mark a Message Unread on Facebook

Learn how to mark messages as unread in a browser or the Messenger app

An over-stuffed post-office box

USPS / Wikimedia Commons 

Facebook notifies you whenever you receive new messages if your settings allow. Otherwise, you find out whether you have new Facebook messages when you open the website or app. If you glance at them and decide to respond later, you might want to remind yourself that you still have messages awaiting reply. Learn how to mark a message as unread on Facebook.

How to Mark a Message as Unread on Facebook

The process for marking your opened messages on Facebook as unread depends on whether you access Facebook on your computer or using the mobile Messenger app. To mark a message as unread from your browser:

  1. Open Facebook in your web browser and select the Messages icon (it looks like a speech bubble) in the top-right corner of the window to see your recently received messages.

    Open Facebook in your web browser and select the Messages icon (it looks like a speech bubble) in the top-right corner of the window to see your recently received messages.
  2. Select the small circle underneath the date of the message to mark the thread unread.

    Select the small circle underneath the date of the message to mark the thread unread.
  3. If you don't see the message thread you are looking for, click See All in Messenger at the bottom of the screen that lists your recent messages.

    If you don't see the message thread you are looking for, click See All in Messenger at the bottom of the screen that lists your recent messages.
  4. Select any message thread and select the gear icon that appears under the date.

    Select any message thread and select the gear icon that appears under the date.
  5. Select Mark as Unread.

Other options in the gear drop-down menu include Mute, Archive, Delete, Mark as SpamReport Spam or Abuse, Ignore Message, and Block Messages.

Messenger Mobile App

Facebook has two mobile apps: Facebook and Messenger. Although you can receive a notification in the Facebook app when you receive a message, you need the Messenger app to read and reply.

To mark messages as unread in the Facebook Messenger app:

  1. Open the Messenger app on your mobile device.

  2. Touch and hold your finger on a conversation.

  3. Tap the hamburger icon that appears on the right side to open a menu.

  4. Choose Mark as Unread.

Other options in the menu include Ignore Messages, Block, Mark as Spam, and Archive.