Set Modified date based on Creation date of files in subfolders in batch mode

[Leo]

@gustavo

I need to copy the Modified date field of each file back into the Creation date field, I can do this in the metadata panel in a one by one basis, I need to do that in batch since there are about 14,000 files to fix.

The Attributes dialog (in the menu attached to the Properties bottom near the right of the default toolbars) lets you copy one timestamp to another, and can apply that to multiple files: