Odd files on usb stick in windows but not in mac

all of a sudden (did not do this before today) , when I create a file on my mac and save it to a usb drive, plug the usb drive into my windows computer at the laser, I get erroneous duplicate files that begin with “._” (see screenshot). these file types do not show on the usb drive when re-plugged into my mac. not sure why this is happening.

Those are files created by the Mac that provide metadata for the system to provide Mac features since the underlying filesystem for the USB drive does not natively provide that functionality.

got it. so just ignore them I guess thanks

Yeah. You can delete them if you wish. Shouldn’t cause a problem in either case.

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