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(Pocket-lint) - WhatsApp's disappearing messages feature means new messages sent within an individual chat will automatically disappear after 24 hours, seven days or 90 days when turned on.

Disappearing messages is a feature available on some other services, like Signal, but this is how the feature works on WhatsApp, what to watch out for and how to enable the feature. 

How does disappearing messages on WhatsApp work?

  • 24 hours, seven days, 90 days
  • Individual chat basis or all chats
  • Admins only for group chats

Disappearing messages is a feature that needs to be enabled on WhatsApp. Once you have enabled the feature, messages sent in an individual or group chat will disappear after 24 hours, seven days or 90 days, depending on what you have set.

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Messages that were sent or received previous to the disappearing messages feature being enabled won't be affected so you'll still be able to view them.

The feature can be enabled for all new chats that you start or are started with you, or you can enable it for individual chats and either user within the individual chat can turn the feature on or off. In a group chat, only the group admins will be able to turn disappearing messages on or off.

What should you watch out for?

  • Previews
  • Replies
  • Screenshots
  • Backups

Messages could still appear as a preview in notifications if a user hasn't opened WhatsApp. The preview would disappear when WhatsApp is opened however.

If you reply to a disappearing message, the initial message could still appear in the chat after the set disappearing period.

If the disappearing messages is forwarded to a chat that doesn't have disappearing messages enabled, the message won't disappear in that chat and will still be visible.

If a backup is created before the disappearing message disappears, the message will be included in the backup but disappearing messages will be deleted when you restore from a backup.

It's also worth noting that screenshots and photos can still be taken of a disappearing message before it goes and users can also copy and save content from a disappearing message before it disappears. 

What about photos and media?

  • Saved by default

WhatsApp automatically saves media that comes through the service to your photos by default.

It can be turned off - see our WhatsApp tips and tricks feature for help - but that means that while media and images would disappear if disappearing messages is enabled for that chat, they would still be saved on the recipients phone.

How to enable or disable disappearing messages

To enable or disable disappearing messages on iPhone or Android:

  1. Open WhatsApp
  2. Open the individual chat 
  3. Tap on the contact's name at the top
  4. Select Disappearing Messages 
  5. Tap Continue (if prompted)
  6. Select on or off

How to enable or disable disappearing messages for all chats

To enable or disable disappearing messages for all chats:

  1. Open WhatsApp
  2. Tap on Settings
  3. Tap on Account
  4. Tap on Privacy
  5. Tap on Default Message Timer
  6. Select 24 hours, 7 days or 90 days

How to enable or disable disappearing messages on a group chat

To enable or disable disappearing messages on a group chat you have to be an admin. If you are:

  1. Open WhatsApp
  2. Open the group chat 
  3. Tap on the group name at the top
  4. Select Disappearing Messages 
  5. Tap Continue (if prompted)
  6. Select on or off

How to enable disappearing messages on Web and Desktop

To enable or disable disappearing messages on WhatsApp Web or Desktop apps:

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  1. Open WhatsApp Web/App
  2. Open the individual chat or group
  3. Tap on the contact or group name at the top
  4. Select Disappearing Messages 
  5. Tap Continue (if prompted)
  6. Select on or off
Writing by Britta O'Boyle.
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