Address bar / Menu bar / Bookmarks bar missing in Firefox. Once the toolbar is emptied it will be automatically deleted from the toolbar. Now drag and drop the items from toolbar to the customize window. If you want to remove the toolbar permanently right click on the toolbar and select Customize. To learn how to further customize your menu items and toolbar preferences, visit Adobe Acrobat Workspace Basics.
Acrobat DC is a highly customizable application for Mac and Windows that allows you to view and edit PDF documents from any device, anywhere.