# Settings

To change the settings, you can view options by pressing any of these icons:

Image | Item | Explanation
--- | --- | ---
| Default Mail Settings | Change overall layout, sorting, threading, and options for plain text, fit to width, Quick Reply or marking as read; changes are applied across all views in Opera Mail
| Settings for This View | Change sorting, threading and categories for the selected view only; any changes are not applied to any other view
| Show Message Thread | Display, follow or ignore threads, or mark threads as read