| Clue | Source | Date |
|---|---|---|
| Describing some memories - a lecturer entering bank? | ||
| Type of digital memory storage | The Guardian Quick | 31 Aug 2023 |
| Readjust such files? | The Guardian Cryptic | 31 Jan 2022 |
| Like a computer storage device that cannot be altered | The Telegraph General Knowledge | 23 Dec 2018 |
| Like many uneditable files | New York Times | 12 Jun 2016 |
| Like many uneditable files | ||
| Like some files | ||
| Kind of file | ||
| Like some memory | ||
| Like some memory | ||
| Unchangeable, like a CD |