vhdxtool.exe create [Optionen] – creates a new VHDX file.
vhdxtool.exe extend [Optionen] – extends an existing VHDX file.
vhdxtool.exe convert [Optionen] – converts a dynamic VHDX to a static one.
vhdxtool.exe upgrade [Optionen] – converts a VHD to VHDX.
vhdxtool.exe display [Optionen] – displays information about a VHDX file.