Exporting a VM or Template to OVF file
1) Select the virtual machine select File > Export > Export OVF Template.
2) Type the Name of the template for the OVF Template
3) Map a drive. Transfer the file
On another vCenter – Deploy an OVF template
1) Open the vSphere Desktop Client.
2) On the top-left, click File
3) Select Deploy OVF Template.
Follow on screen instructions