> For the complete documentation index, see [llms.txt](https://help.getupnote.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.getupnote.com/safety-and-control/lock.md).

# Lock

- [Lock password](https://help.getupnote.com/safety-and-control/lock/lock-password.md)
- [Lock a notebook](https://help.getupnote.com/safety-and-control/lock/lock-a-notebook.md): This is a Premium feature.
- [Lock the whole app](https://help.getupnote.com/safety-and-control/lock/lock-the-whole-app.md): This is a Premium feature.
- [Forget lock password](https://help.getupnote.com/safety-and-control/lock/forget-lock-password.md)