To filter out guest list requests and focus on some particular guest list requests, just click on the Filter button in the top left corner, then check the checkboxes for the Requestor, Status, or Affiliation you'd like to see. The icon will highlight and change to indicate the list is filtered:
You can use Filtering in combination with the checkbox in the top left corner to quickly select different types of Guest Listings and change their Statuses in bulk. Notice that the Totals at the bottom change with each Filtered selection, and only show the Totals from the Filtered Guest Listings To select a range of guest list requests at once, hold down shift then click the first and last items in the range you are selecting. This will select all guest list requests in between the first and last selection.
To Sort Guest Listings, you'll just click on the header title of a column to sort by Ascending or Descending order: