Connect External Devices
Parallels Desktop allows you to use USB, Thunderbolt, and FireWire devices with Windows.
Many external devices, such as mice and printers, are available by default to both Windows and macOS when you connect them to your Mac.
Some external devices, such as an Apple iPhone, can only be used with either macOS applications or Windows applications, but not both at the same time. When you connect such a device, you can choose whether you want to use it with macOS or Windows.
To connect an external device:
Important: To be able to use a USB device with Windows applications, you may need to install Windows drivers for the device. Typically you can download drivers from the manufacturer's website.
If you have a USB device that is already connected to the Mac, you can do the following to connect it to Windows:
Note: If the device you're trying to connect is being used by some macOS application, you will see a warning. In this case, first you need to quit this application and then try to connect the device again.
Connect a Common Access Card reader
A Common Access Card (CAC) reader can work simultaneously in macOS and Windows.