There are two ways to clear Messenger's cache, depending on whether you're using an Android, or an iPhone or iPad.
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How to delete individual Facebook messages or entire conversations on your computer or mobile device
You can delete Facebook messages using the Facebook Messenger smartphone app, or the Facebook website.
Meta says it will deprecate the app on Dec. 15, at which point 'you’ll be blocked' from using it and should delete it from ...
Meta is getting ready to pull support for its desktop Messenger apps on Windows and macOS. Both apps have already been ...
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