When the Export As PO.csv command of Revit Shared Parameter File Editor is invoked, a csv file for those chosen shared parameters will be created. It will look nice if opened in Excel.
Here is the content of the .csv file itself.
Group,Name,GUID,Discipline,Type,Category,Visible
For_Walls,Phase Created,7d4c1903-c65e-4bcd-9bce-dd06532af03c,Common,TEXT,,True
NewDefinitionGroup1,WindowFamilyType,64901a31-62e5-4332-b148-9c4ffb93ae51,Common,FAMILYTYPE,-2000014,True
For_Walls,Volume42,d1d46f92-e1bf-43c8-8c75-8d068e075db7,Common,LENGTH,,True
Group1,int,c0909793-c220-44c5-b231-350aa215b06e,Common,INTEGER,,True
For_Project.rvt,Ins_LengthDim_WallsWindows,727fa294-66ca-4258-ab24-c74ed280c7f9,Common,LENGTH,,True
For_Doors,Phase Created,c6e8fc94-f300-425d-95de-fbffa3c6aaf9,Common,TEXT,,True
Group2,WattageTest21,d29fac95-7a0e-439f-97bd-124a2100ba62,Electrical,ELECTRICAL_WATTAGE,,True
For_Drawer.rfa,Operation,4f907896-ee5e-4859-9d2a-a15a38b029bb,Common,TEXT,,True
For_Walls,Base is Attached,1d14f996-3682-48e5-ad2d-3b4b5c38a59e,Common,YESNO,,True
NewDefinitionGroup1,ColumnsFamilyType,c3452bf6-5b1c-4234-9762-a61719a5f305,Common,FAMILYTYPE,-2000100,True