You can reply directly to the sender of any email you receive.
Open the email you want to reply to.
Reply and Forward buttons appear below the message body.
Click the Reply button.
A new reply appears below the original message, where you can enter your message.
Enter a reply message.
The reply is sent and appears in the thread below the original message.
If a message has multiple recipients, you can include them all on your response. While viewing the email you want to reply to, click the Reply All button below the message. Enter a message, then click Send.