Messages, photos and videos

Messaging basics

How do I send a message on Messenger?

How do I send a photo, video, sticker or voice message in Messenger?

How do I know if someone has seen a message I sent in Messenger?

How do I remove or unsend a message that I've sent in Messenger?

How do I send an audio message or voice recording in Messenger?

How do suggestions work in Messenger?

Stickers, customization and effects

How do I turn dark mode on or off in Messenger?

How do I delete sticker packs in Messenger?

How do I react to a message with an emoji in Messenger?

How do I change the theme or color of my messages in Messenger?

How do I take and add effects to photos and videos with the Messenger camera?

How do I turn sound on or off when I'm using messenger.com on a computer?