Data & backup lets you archive your entire voyage in one file and move it to another phone. Tools → Data & backup.
Full backup (.ccbackup.zip) includes tracks, deck log (with audio), crew, boat documents, costs, voyage plan, calendar, checklists, fishing module, alarm contacts and settings, plus yacht documentation photos.
Create: Tools → Data & backup → Save backup file (or share via WhatsApp).
Restore: pick a .ccbackup.zip file — current data will be replaced (irreversible).
Factory reset wipes all app data — double confirmation required. Back up first.