Under the Storage folder in the left pane, select Disk Management. Click on the Action menu and select Attach VHD. Browse to the location of the desired VHD or VHDX file, then click OK. If you don’t know where is the.vhdx image for your Hyper-V virtual machine, you can search for all files with a particular file extension, such as.vhdx. ...
How do I attach a disk to a Hyper-V virtual machine?
In Hyper-V Manager’s center pane, locate the virtual machine that you wish to attach the disk to and click Settings . In the dialog, click on any virtual disk controller (IDE or SCSI). ...
How do I access my VHD/VHDX image?
Once your VHD/VHDX image is attached, your virtual hard disk will be available in Windows Explorer, which can be accessed just like a physical disk. You can now copy any files out or into your virtual hard drive. ...