VMDK, VHDX, and VHD are file formats of Virtual drives. They are unique and unlike other files, you can not just double-click on them to open the file. This is a complete guide on how to open VMDK, ...

Is it possible to attach a VMDK to all virtual desktops so that it is read-only for all users kind of a like a locally attached read only network drive? As stated, I do not think that you can do that.