Qcow2 — Windows 8.1
If you have an existing Windows 8.1 VMware disk:
Since Windows 8.1 no longer receives security fixes, it is highly vulnerable. QCOW2 snapshots allow administrators to revert to a "clean" state instantly if the VM is compromised. windows 8.1 qcow2
: Raw images allocate full size immediately. Use with caution. If you have an existing Windows 8
QCOW2 stands for "QEMU Copy On Write Second Generation." Unlike a raw disk image ( .img or .raw ) that allocates all requested space upfront, QCOW2 offers: windows 8.1 qcow2