Answer<\/p>\n
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- To delete all messages on Facebook Messenger app, you can either delete them one by one or delete them all at once. <\/li>\n
- To delete them one by one, open the Facebook Messenger app and go to your messages. <\/li>\n
- Tap and hold on a message and then select Delete. <\/li>\n
- To delete them all at once, open the Facebook Messenger app and go to Settings. <\/li>\n
- Tap on Clear History and then Delete All Messages.<\/li>\n<\/ol>\n
How to Delete Messages and Conversation on Facebook Messenger App on Android<\/h2>\n