WD does not back up all files, need I worry or fix this issue

there are 22 with machine code names, 2 with Excel ext, 1 .bin and 1 .docx, 2 .xlsx

Should I be concerned. This is the first time I have noticed the issue after several back ups.

Model MY PASSPORT 1TB #WDBYNN0010BBK-WESN

Hi,

You can contact WD’s Technical Support about this.

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