> For the complete documentation index, see [llms.txt](https://emotiv.gitbook.io/extender-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://emotiv.gitbook.io/extender-manual/post-processing/downloading-recordings.md).

# Decrypting recordings

*Please Note: a valid PRO license is required to carry out the decryption. Each seat of PRO allows you to decrypt data from up to 3 Extenders.*&#x20;

To decrypt data from Extender, open Cortex and click on the Tools tab. You will see under this section there is an option to decrypt local data.

![](/files/-LIeRvziHUhwVBj-kY1p)

Step 1 : Click to "Decrypt local data" then select input directory which contains the \*.eed files: you'd like to decrypt.

![](/files/-LIeRvzkNkMDJx9O7xjL)

Step 2 : Select output directory

![](/files/-LIeRvzmBC-amYpR6Xrq)

Cortex will then carry out the decryption and output a \*.csv file for the motion and eeg data into the same folder.

![](/files/-LIeRvzobixQY-jPIjE4)
