Question: how to open qcow2 file?
Answer: How to open a QCOW2 file. You need a suitable software like QEMU from Fabrice Bellard to open a QCOW2 file. Without proper software you will receive a Windows message "How do you want to open this file?" (Windows 10) or "Windows cannot open this file" (Windows 7) or a similar Mac/iPhone/Android alert.