A seed phrase can recreate control of a wallet. Anyone who obtains it may be able to move the funds without your device, email, or identity documents.
Do not type recovery words into websites, support chats, forms, cloud notes, screenshots, or unsolicited recovery tools. Legitimate support should not ask for the phrase.
Create an offline backup that is legible, tested, protected from common physical hazards, and discoverable by the right person under an inheritance plan.