1. Config your mutt. ArchWiki: Mutt - ArchWiki My dotfiles: dotfiles_mutt at master · peeweep_dotfiles
2. Using mutt -f email.mbox to open mail file.
3. Using T to tag-pattern.
4. Using ~m [MIN]-[MAX] to set range.
5. Using ;s to save to other folder.
6. having a cup of coffee

PS: Using ; to tag-prefix. (apply next function to tagged messages) Ref: Using tags