You can watch a video tutorial here.

There may be times when you would like to hide rows of existing data that you are not interested in at that moment. These are the steps to do that:
Step 1 – Click on the row number at the far left hand side to select one, or multiple rows. You can use the shift key to select the last of multiple rows.

– Click on the row number at the far left hand side to select one, or multiple rows. You can use the shift key to select the last of multiple rows.
Step 2 – Right click anywhere on the selected row to open the context menu

– Right click anywhere on the selected row to open the context menu
Step 3 – Click on Hide row(s). You will see small arrows around the hidden rows that will allow you to re-display the hidden rows.

– Click on Hide row(s). You will see small arrows around the hidden rows that will allow you to re-display the hidden rows.