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Data recorded onto the microSD card is encrypted for privacy reasons and can be decrypted using Cortex, outlined below. You can download the recordings onto your computer by connecting Extender to your computer with the SD card in the slot. Or equally you can copy the files off using an external card reader. Each time a recording is made a new time stamped folder is created and consecutive files are filled to keep each from getting too large.
The next section outlines the decryption of recordings, this is done using Cortex.