Using an adapter, connect an external drive (e.g. Flash drive) to one of the tablet's USB ports.
There are 2 USB Type-C port available on the right edge of the device.
Adapters can be purchased from any Verizon Wireless retail store or at the online store.
Utilize File Explorer to transfer data between the external drive and the computer/tablet.
If File Explorer doesn't launch automatically, navigate: Start menu icon (hold for 2 seconds) > File Explorer.
For more info, refer to Microsoft's support article.