To copy multiple cells we have few options as below.
Copy the cell > Click on the header > Ctrl + V - This copies to all the rows.
Drag and Copy till the row you wanted to copy.
Enter a value in the cell > move to the next cell > double click the fill handle on the cell - This fill the selection down to the last value in neighboring column.
My Question is that can we disable only the option 3.
you can block a fill-handle for all the cases but as I understand it will also block the second scenario.
Am I thinking right that the second and third scenario differs only on the first edit level? In the second scenario I firstly edit a cell and then use a fill-handle and in the third, I do not edit anything and just use the fill-handle?