Which is a true statement regarding bookmark titles in Word 2019? The title of a bookmark must be all lowercase Numbers cannot be used in bookmarks The title of a bookmark must be all uppercase There can be no spaces in a bookmark

The correct answer is: Numbers cannot be used in bookmarks.<br /><br />In Microsoft Word 2019, bookmark titles can include numbers, letters, and spaces. However, it is recommended to avoid using spaces in bookmark titles to prevent potential issues with formatting and navigation.