The string swdvd5officeprofessionalplus2016w64english strongly resembles a volume license key format or a bootleg DVD image naming convention for Microsoft Office Professional Plus 2016. Microsoft does not authorize the distribution or activation of Office 2016 via random "exclusive" string codes found on third-party sites.
The Mystery of SWDVD5: Understanding the Office 2016 Professional Plus English ISO The string "swdvd5officeprofessionalplus2016w64english exclusive" swdvd5officeprofessionalplus2016w64english exclusive
If you have a legitimate license for Office Professional Plus 2016, the safest way to get the installer is through official channels: swdvd5officeprofessionalplus2016w64english exclusive