When moving files via My Passport to new laptop Windows 10 files do not open

I have a new Windows 10 laptop and need to move files from old laptop to new so I copied all onto my passport but when I retrieve I cannot open any files it says I have no permission to open any files. Help please.
I am a sole trader an need everything working asap.

Hi Forge11,

You should refer to the link given below and please let us know if the issue still persist.