You can delete all your Messenger conversations at once, but the method depends on whether you're using a phone or computer

Facebook Messenger doesn't have a single "delete all" button that wipes your entire message history in one tap. Instead, you'll either delete conversations one by one, or use your phone's storage settings to clear the app's cached data. On a computer, deleting multiple conversations takes longer but gives you more control. On a phone, you can clear everything faster but you'll lose all your message history permanently — there's no undo.

The fastest route for most people is the phone method: go to your phone's Settings, find Messenger in your Apps list, and select "Clear Cache" or "Clear Storage". This removes all messages from your phone without affecting messages on Facebook's servers or on other devices. If you want to delete messages from Facebook itself (so they're gone everywhere), you'll need to delete conversations individually or use your computer.

Key Takeaways

  • On iPhone or Android, you can clear all Messenger data from your phone instantly by going to Settings > Apps > Messenger > Clear Cache or Clear Storage.
  • Clearing cache removes messages from your phone only; the messages still exist on Facebook's servers and on other devices you use.
  • To delete messages from Facebook permanently, you must delete each conversation individually — there is no bulk delete feature.
  • Deleting a conversation removes it from your view but the other person can still see it unless they delete it on their end too.

Delete all messages on your phone using Settings

This method clears Messenger from your phone's storage in seconds. Open your phone's Settings app (not Messenger). Scroll down and tap Apps or Application Manager — the exact name varies by phone brand. Find Messenger in the list and tap it.

You'll see two options: Clear Cache and Clear Storage or Clear Data. Tap Clear Cache if you only want to remove messages from your phone but keep your login information. Tap Clear Storage or Clear Data if you want to remove everything, including your login — you'll have to sign back in the next time you open Messenger. Either way, the messages disappear from your phone immediately. The other person still has their copies of the conversation.

Delete conversations one by one on your phone

If you want to delete messages from Facebook itself (not just from your phone), you must delete each conversation individually. Open Messenger and look at your list of conversations. On iPhone, swipe left on a conversation name. On Android, press and hold a conversation name. A delete button or trash icon will appear — tap it. The conversation disappears from your inbox.

This method is slow if you have many conversations, but it gives you control over which ones to keep. Deleting a conversation removes it from your view, but the other person still sees it on their end. If you want them to not see it either, they have to delete it separately. There's no way to delete a message from someone else's inbox.

Delete all messages on a computer

Go to Messenger.com or open Messenger from Facebook.com. You'll see your conversation list on the left side. Right-click or hover over a conversation name — a trash or delete icon will appear. Click it. Repeat this for every conversation you want to remove. Unlike the phone method, this deletes the conversation from Facebook, not just from your device.

There's no faster way to do this in bulk on a computer. If you have dozens of conversations, this will take time. Some people use browser extensions that claim to delete multiple conversations at once, but these are not made by Facebook and may not work reliably or may violate Messenger's terms of service. The safest approach is to delete them manually, a few at a time.

What happens when you delete a conversation

When you delete a conversation from your Messenger inbox, it's gone from your view. You won't see it in your chat list anymore. If the other person messages you again, a new conversation starts and you'll see it. The old deleted conversation does not reappear.

The other person is not notified that you deleted the conversation. They still have their copy of the entire chat history on their end. Deleting a conversation does not delete the messages from their phone or computer — it only removes it from your inbox. If you want to delete a specific message you sent (not the whole conversation), you can long-press or right-click a single message and select "Remove" or "Delete", but this only removes it from your view, not from theirs.

Clearing cache versus clearing storage

Clear Cache removes temporary files Messenger stored on your phone to run faster, including message previews and images. Your login stays active and your account is still connected. The next time you open Messenger, it downloads your recent conversations again. This is the safer option if you want to free up space without losing your login.

Clear Storage or Clear Data removes everything: messages, images, login information, and settings. You'll have to sign back into Messenger the next time you open it. Use this option only if you want a complete wipe. Both options are reversible in the sense that your messages still exist on Facebook's servers — if you sign back in, you can see your conversations again (unless you also deleted them individually from Messenger).

Why you might not see all your old messages

Messenger doesn't always load your entire message history when you open the app. On phones especially, it loads recent conversations first to save space. If you scroll up in a conversation, it will load older messages. If you've cleared your cache or storage, you may have to scroll up to reload older conversations from Facebook's servers.

If you deleted a conversation and now want to find it, you can't recover it from Messenger itself. However, if you still have the person's contact, you can start a new conversation with them and the old messages won't appear — they're gone. Facebook does not provide a way to restore deleted conversations through Messenger. If you need a record of old messages for legal or personal reasons, you should take screenshots before deleting.

Frequently Asked Questions

Does deleting a message on my phone delete it from the other person's phone too?

No. Deleting a message from your phone only removes it from your view. The other person still sees the message in their conversation. If you want to remove a message you sent from both sides, you have to use the "Remove" or "Delete" option on the message itself, but this only removes it from your view — they still see it.

Can I delete all messages but keep my Messenger account?

Yes. Use the Clear Cache or Clear Storage method on your phone, or delete conversations one by one on your computer. Your account stays active and you can still message people. You'll just start with an empty inbox. If someone messages you, the conversation reappears.

If I clear storage on my phone, will my messages come back when I sign in again?

Only if you didn't delete the conversations individually from Messenger. Clearing storage removes messages from your phone's storage, but they still exist on Facebook's servers. When you sign back in, your recent conversations reload. If you want them gone permanently, delete each conversation from Messenger before or after clearing storage.

What's the difference between archiving and deleting a conversation?

Archiving hides a conversation from your inbox but keeps it on Facebook — you can search for it or unarchive it later. Deleting removes it from your inbox and you can't easily find it again unless the person messages you. Archiving is useful if you want to clean up your inbox without losing the conversation history.

Can I delete messages from a specific date or time period?

Messenger doesn't have a feature to delete messages by date. You can only delete entire conversations or individual messages one at a time. If you need to remove messages from a specific time period, you'll have to find and delete them manually or delete the whole conversation.