在一个设计上是以匿名和无痕为导向的系统上使用一个持久化存储卷是一件复杂的议题。
请仔细阅读警告那一部分。

Enable the persistent volume

When starting Tails, in the Encrypted Persistent Storage section of Tails Greeter, enter your passphrase and click Unlock.

Use the persistent volume

To open the Persistent folder and access your personal files and working documents, choose Places ▸ Persistent.

For advanced users, to access the internal content of the persistent volume choose Places ▸ Computer, and open the folders live ▸ persistence ▸ TailsData_unlocked.