Lacie Rugged USB-C All Terrain mobile Storage 2TB

Hello, I just purchased the above for another mac I know and cannot get it to work. Its an MacOs High Sierra. Version 10.13.6

Macbook Air 2017

Processor 1.8 GHZ Intel Core I 5

Memory 8GB 1600 MHz DDR3

Start up disk Macintosh HD

Serial number C1MV4BZ5J1WK

We are a church, and this was donated to use from that church several years ago. We are trying to back up our content so we don't lose what we have.

I also the adapters to plug in, I don't know how to get it to run.

Thanks for your help. Jimmie