Notes: VBA Filesystem (Copy/Rename...)

'simple
https://docs.microsoft.com/en-us/office/vba/language/reference/user-interface-help/copyfile-method
https://www.automateexcel.com/vba/copy-file/

'get file names
https://docs.microsoft.com/en-us/office/vba/language/reference/user-interface-help/dir-function

'Filesystem manipulation in general
https://docs.microsoft.com/en-us/office/vba/language/reference/user-interface-help/filesystemobject-object
https://wellsr.com/vba/2018/excel/introduction-to-the-vba-filesystemobject/