You will still be able to search for information found in old messages in the email chain. If you haven’t already sent the email you can simply change it in the conversation while you are editing the rest of the email.Ĭhanging the subject line or the content in the conversation won’t affect previous messages.

You won’t need to click Edit subject if you are creating a new conversation thread.

You may want to be careful if you edit subject lines, as it can affect Gmail’s search.

Consider starting a new conversation thread instead if you are changing the subject in Gmail because you are starting a new topic of conversation.

Changing the email subject line allows you to remove the Re: part of the message that appears before the original subject line.

This can be helpful in some situations, but it can also make it tough in the future to follow a conversation thread.

When you edit subject lines in Gmail you are able to create your own new subject line for an email that was sent to you.

More Information on How to Change the Subject Line in Gmail People often search their emails for information about a specific topic, so it’s best to use a descriptive subject line when you are emailing. Ideally a Gmail subject line (or a subject line that you use in any application where you create emails, such as Outlook, Yahoo, or the Mail app on your phone) gives a quick overview about what the information in your message will contain. When you create a new message in Gmail, the subject line is the information that you type into the field that says “Subject.”

It is also the information that appears at the top of the window when you reply.

The subject line in Gmail is the line that appears first in your inbox.

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