I have data in column A,b,c its a huge list.
Example :
Sheet 1
Headings.
Let's say column A is System type like Desktop/Laptop.
Column B is System model like ABC/XYZ/PQR.
Column C has part # like 1234/5678/789/345...
Requirements Sheet2.
By default all column A,B,C should have all data as it is in Sheet1.
Now if I click on any System type (column A), it should auto filter the list in Column B and C.
If I click on any specific System Model(column B), Column 3 should display list corresponding to the selection