Deleting the data is never good. So if you do need certain columns, instead of deleting columns, we suggest hiding them. Data isn’t deleted but simply hidden until it is unhidden again, which can help you narrow your focus to only on the data needed at the given time.
Here is how to do it:

  1. Select the entire column (or columns) you want to hide. To do this, click on the column header at the top of the working area
  2. Right-click anywhere in the column
  3. Click on Hide Colum