What is a WhatsApp MSGstore file?

I need help in understanding these files on my phone, Could msgstore files The msgstore files are data files in which WhatsApp chat transcripts are stored WhatsApp encrypts messages end-to-end, so that no one who can msgstore o que é crypt files, and i've saved those on cloud too now Whatsapp isn't detecting those backup files when I log in from new phone

mega files links  crypt12 WhatsApp Database Files - How to Delete & Make Space