Full Screen?
 

Is there any adjustment to set for Full Screen? When composing i have about three quarters full screen but when looking at my folders such as sent mail etc and other items the screen varies from half screen to three quarters. Seems that there used to be full screen on all items.

Full single display window always possible when composing a message
 

The Fastmail user interface has changed over the years in many ways, both major and minor. I think you meant by "full screen" is that you couldn't see the message list or folder list when composing a new message.

Fastmail has several user interfaces, depending on your setup choices (when using a browser from a large screen PC) and which size of device you are using.

• PC with large screen: Use Settings>General>Preferences>Layout and Theme. You can control the sidebar, reading pane, and more. If you hide both the sidebar (folder list) and reading pane, you will see a full screen window when reading or composing a message.
• Large portable device (such as a large iPad): Your only Preferences choice is for changing the UI (user interface) display font.The sidebar (folder list) auto-hides, and you always have a reading pane when viewing messages (so messages are not full screen when reading). But composing a message is full screen (huge).
• Smaller portable device (such as my iPhone 7 Plus, which is one of the larger phones): Your only Preferences choice is for changing the UI (user interface) display font.The sidebar (folder list) auto-hides. There is no reading pane when viewing a message or using the Compose screen. So the display is full screen when reading or composing a message.

Bill

Thanks Bill this info solves my problem I appreciate it

Hey Bil i overdid it I need to get back in to other functions of my Fastmail. How can i show Side Bar where the controls are shown? I should not have removed Side Bar

To use the FastMail web interface to best effect, you should ensure Keyboard Shortcuts are enabled, and become familiar with https://www.fastmail.com/help/receive/kbshortcuts.html.

To access different functions (with Keyboard Shortcuts enabled) you typically use Shift+g followed by some character usually easy to remember. For instance, Shift+g followed by s opens the Settings page

Thanks BritTim I shall give it a try

Click the "hamburger" button - the one that has three lines on it. Or if on a mobile interface, touch on the "<" symbol near the top left of the frame.

Also on an iPad if you touch and hold the page refresh circular arrow you get a popout allowing you to "Request Desktop Site" which offers some functionality not present in the default mobile interface.

Thanks very much to all responders. I am good now thanks to all for their help

On iPad there is a switch that sets the Fastmail app to use the desktop interface always. You then have the same options to show or hide the sidebar and reading pane that are available on a PC. The switch is in iPad's Settings > Fastmail > Use desktop interface.

(I have Fastmail app version 2.1.4.2112 on iOS 12.3.)