When sorting emails by date, they are arranged based on their received or sent time. This allows you to view emails in chronological order, either from the most recent or the oldest, depending on the sorting order selected.
Step 1: Email Sorting by Time
Sorting emails by date is one of the most common ways to organize emails. By default, most email clients (such as Gmail, Outlook, etc.) sort emails based on the received or sent time.
Step 2: Conclusion
Thus, the correct answer is Based on received or sent time.
Final Answer: Based on received or sent time.