Backup via Time Machine: do I need a blank disc?

It's a simple question, but one I don't know the answer to. I have a 1 TB external harddrive (I learned to re - format here, thank you very much), and it has a couple of value of concerts of different files. Can I use this hard drive partially filled to back up my system with Time Machine, or it works with 100% empty and white readers? Can I use my non-empty drive and you don't have to worry about the safety of my files?

The volume may contain files as long as it is Mac OS Extended format. In all cases, your files should be at least two disks in case one of them goes down.

(136869)

Tags: Mac OS & System Software

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