Final answer:
After saving contact information, it becomes available for use when composing emails, which is convenient and timesaving.
Step-by-step explanation:
After you enter and save contact information, that information is available as you compose emails. The correct answer to the question is B) Emails. When you save contact information in most email services or contact management systems, that information typically integrates with the email composition tool, allowing you to easily add email addresses into the 'To', 'Cc', or 'Bcc' fields. This streamlines the process of communication, ensuring you do not have to remember or manually type out email addresses each time you want to send an email. Furthermore, this feature helps in avoiding mistakes and saving time.