In this article, USB flash drive is used as external storage for demonstration.
The external storage should have exFAT or FAT32 file system.
NTFS need to download extra driver in RHEL 10.
You may format the external storage to change file system in Windows OS.
Check external storage name in Windows OS
Example: STORAGE DEVICES - LAWRENCE
Shut down the RHEL
In Oracle VirtualBox Manager windows, click Settings --> USB --> USB 3.0 (xHCI) Controller --> OK
Power on RHEL
In RHEL window, select Devices --> USB
Tick the external storage that match name in Step 2
Example: STORAGE DEVICES
Open Files and click on external storage name to access it.
Eject the external storage by click eject icon in RHEL
Don't need to eject in Windows OS.