The Report Writer screen can be sorted by Name, Comments, Owner, Type, Public status, and Read-Only. Click on the column title to switch the view to separate the reports by that column heading. When you click on the diamond, it will become an arrow pointing up to show the reports in descending order by that heading, click the arrow.
NOTE: When you sort by Owner you are dividing the screen into queries you have made and those made by others.
The list of reports can be sorted and grouped, using the column headings.
To sort by a column, simply click on the heading. Click it again to alternate between ascending and descending order. You can also group reports together by a particular field by selecting the Group By This Field option in the dropdown menu for that column.
NOTE: While viewing a report, click the List tab will return you to the list of reports.