While separate ZIP files are largely a thing of the past for current users, the "add-on" functionality they provided remains central to the Pro experience: Theme & Plugin Files
WP Migrate DB Pro uses separate addon ZIP files to extend its core functionality, such as: Media Files Addon : For migrating media library contents. Theme & Plugin Files Addon : For moving themes and plugins without FTP. : For running migrations via command line/cron. Multisite Tools Addon : For handling subsite migrations. deliciousbrains.com What "Verified" Means in This Context wpmigratedbproaddonszip verified
: Verified as a legitimate package from Delicious Brains (now WP Engine). File Format : Standard .zip archive. While separate ZIP files are largely a thing