There are two ways to unhide columns: 1. Click the "Columns" button above the table and either:
β’ Toggle individual columns on to show them
β’ Click "Show All" to display all hidden columns
2. Or you can:
β’ Right-click a column
β’ Select "Columns" from the menu
β’ Toggle columns on/off or click "Show All" to adjust the entire table
Sources:Hide, Re-order, Sort, Filter, Merge ColumnsCustomizing your table view | Documentation | Clay University