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How to hide a toolbar from the top of an email message in microsoft outlook 
Open outlook on your computer. 
Whether it's part of your start menu, your start screen or is sitting on your desktop, it must be open. 
Open the email where you'd like to hide the toolbar/ribbon.
Use the ctrl + f1 keyboard shortcut to hide the ribbon bar from the email message window. Function key at the same time to hide the toolbar.