Similar to the Microsoft products, you may need to add bullets when you compose a message in Gmail. Please see below for details:
Step 1: To first compose an email by clicking the "Compose" button on the top-left corner;
Step 2: Finish the "To" box and the "Subject" box, then finish the email;
Step 3: You can insert bullets either before or after you type the words. If you already have the bullet list, please highlight the list;
Step 4: Before clicking the "Send" button, click the "Bulletted List" or the "Numbered List" at the bottom of the message;
If you did not see this formatting options, please click "A" next to the "Send" button to show it up.
Step 5: In the message body, you will see the bullet list (or the numbered list).