Browse the disks and partitions listed in the right panel, under the Devices and drives section.
Select This PC from the left panel of the opening File Explorer.
The following steps are useful whether you’d like to format external drive Windows 11 or format a local disk partition Windows 11. Step 2: Format a Disk within File Explorer
How to open the File Explorer (previously known as Windows Explorer) on Windows 11? Here are some commonly used methods: How to quickly format a hard drive? There’s a much easier way to format a disk/drive on Windows 11: using the Format feature in the context menu. How to Format a Drive Using File Explorer Context Menu
Warning: Changing Allocation Unit Size is not recommended unless you’re professional and it’s really needed it may cause some tough troubles.