To switch the contents of two slots ...
Select the first slot and copy its contents to the clipboard with Ctrl+C. Next, select the second slot and paste these contents with Ctrl+V. Then, reselect the first slot and paste again with Ctrl+V. This works because pasting into a non-empty slot replaces the clipboard's contents with what was overwritten.
To sort an entry's clues by their appearance date ...
After performing a search on the Lookup pane, click on the Occurrences header in the Clue table. This action toggles the sort order between occurrence count and puzzle date.
To delete the contents of a grid region ...
Select the region by dragging the mouse while pressing the Ctrl key. Once the region is selected, press the Del key to delete the contents of the selected squares.
To highlight all the slots of a particular length ...
Go to the Info pane, and click on the numbers in the Word Counts table. This will highlight, in purple, the corresponding slots in the grid.
To change the sort order of your ___ ...
Most of the lists that are shown in the app, e.g. puzzles, slot options, matching words, etc., can be reordered by clicking on the table headers. For example, to toggle the sort order of the slot options between grid score and word score, click on the Grid Score table header. Or to modify the sort of your puzzle lists shown in the "Open Puzzle" dialog, click on the Title, Data Modified, or Date Created headers.
To hide a puzzle in your puzzle list ...
From the "Open Puzzle" dialog, right-click on the puzzle and then click "Hide Puzzle." Hidden puzzles are not shown by default, but you can view them by toggling the "Show hidden puzzles" checkbox.
To see how you've clued an entry in the past ...
For this, all you need to do is keep your completed puzzles stored in the cloud. Whenever you perform a search in the Lookup pane, the app will search your saved puzzles for matching entries and, if any are found, they will be displayed separately above the normal clue list.
