Open the chat and click the icon at the top right. Select Media, files and links to view all shared content.
You can set Messenger to automatically save incoming photos. Go to your Profile > Photos and Media and toggle on Save Photos and Videos . On Desktop (Messenger.com): download in messenger
Saving media sent by friends is the most common reason for downloading in Messenger. Open the chat and click the icon at the top right
Open the conversation and find the photo or video. Tap and hold the file until a menu appears, then select Save or Save Video . download in messenger
If you need a permanent record of your conversations, Meta provides a comprehensive "Download Your Information" tool through the Accounts Center. How to Save Videos from Facebook Messenger on Android