Disk Space Used Much More than Size of Ripped Files

[Marrmacken]

Hi

Sorry if this has been answered before - I'm new to dBPoweramp.

I've just finished ripping my collection of 1,000+ CDs, saving them to an external 2Tb Seagate HDD connected to my MacBook. The ripped music files take up around 600Gb, but the 'used' space on the drive...