Yamaha File Utility Manual page 25

The following dialogs may appear while executing the Rename operation.
If there is a file of which name is same as the renamed one:
For example, if a file "abc.mid" is to be renamed "005abc.mid" and a file with the same name already
exists, click [Continue] to keep the original file and rename "abc.mid" to "006abc.mid." Even if numbers
are at the top of the original file name (for example, "006abc.mid"), as long as a file of the same name
does not exist, the file will be renamed.
If there is a protected file among the selected files:
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