Sometimes, Gmail goes out of the computer screen making emails too wide and difficult to read. In such a case, you can resize the Gmail window.

Here’s how to split your screen on either a Mac or Windows computer, a great tool for multitasking. Splitting your screen is a great tool for multitasking. (Photo by Phil Barker/Future ...

Select "Large" to magnify items to 150 percent. If you choose this option, some objects may not fit on your computer screen. Click "Apply" to resize the objects on your computer screen.

A handy tool for presentations, demos and even accessibility, ZoomIt lets you zoom in on the screen, mark up the current page, and even capture your screen activity.

How to Maximize the Screen on a Mac Computer. Mac OS X has three tiny buttons at the top of each window. These buttons control the way that the current application or window appears to the user.

So, to solve the problem of your windows resizing to full screen turn off the Drag windows to menu bar to fill screen option in Settings > Desktop & Dock.