Can I save one external hard drive to another on a mac?

I have just changed Windows for iMac and I have no idea of the backup of the system on a mac.

I have an external hard drive that is used for the pictures I use Photoshop and Lightroom. I want to know how I can backup this disc on an another external hard drive and update only the files that have changed on the original disc.

It would be also possible to save the iMac to a third external hard drive?

I would really appreciate the help.

The best way to save your Mac's Time Machine. It can save the Mac gradually and keeps a history of backups, so that you can go to different moments in time when you restore your Mac.  Time Machine can also include external drives to the backup, see this link: the basics of the Mac: Time Machine

If you want to save your Media Player separately use cloning software for updating a copy cloned, for example carbon copy clone.

Tags: Mac OS & System Software

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