# Formatting SD Card

To record data to your Extender, you need to purchase, install and format a microSD card. The SD card must be between 4-32GB and formatted with FAT32.

*Note: SD card not included with Extender.*

Below are the instructions for formatting the SD card on Windows and Mac.

## Windows

Power on Extender, insert the card into Extender and plug Extender into your PC.

Right click on Extender driver and select format.

![](/files/-LIeRxETCDzqc1W9ZVJd)

Specify as FAT32 and press "Start" to format.

![](/files/-LIeRxEVv_RJIF_ACP7b)

Your drive should now be ready for recording.

## Mac

Power on Extender, insert the card into Extender and plug Extender into your Mac

Press command + space and type "disk utility". Open the Disk Utility setting window.

![](/files/-LIeRxEX-OQU-xdPkbHB)

Partition or erase the disk and select the partition format as MS-DOS (FAT)

![](/files/-LIeRxEZRDllLhC_qcF_)

Press ERASE

![](/files/-LIeRxEaFMJKckOyiXir)

Your disk should now be ready for use in Extender.


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