Some simple PowerShell commands will let you securely copy individual files in PowerShell. Enter command Copy--Item followed by the source file path and '-destination' followed by the path of the folder you are copying the file to. See this example:
Copy-Item c:\FooFolder\hiddenlist.txt -destination c:\backup
If you want to copy a folder and all of the subfolders inside it you can add the switch -recurse to the end. Adding the switch -force will allow for any existing files to be overwritten. So if we enter this PowerShell script:
copy-item -path "C:\foofolder2" -destination "c:\backup" -recurse
. . . this folder:
. . .will be fully copied here: