How to Unsend an Email in Gmail 2026

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Quick Answer

Gmail's Undo Send feature lets you cancel a sent email within 5, 10, 20, or 30 seconds, depending on your selected cancellation period. Once the time expires, the email is delivered and cannot be recalled.

Gmail lets you undo sending an email, but only for a short period after you click Send. Once that time expires, the email cannot be recalled. In Gmail, you can unsend emails for a limited time after they have been sent. So keep reading to learn how to cover your tracks the next time.

Table of Contents

How to Unsend an Email in Gmail
How to Change the Amount of Time to Undo Send
Frequently Asked Questions
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How to Unsend an Email in Gmail

Gmail comes with an Undo Send feature by default. The undo option will appear on the bottom left of your screen after sending an email in Gmail. This allows you to go back and retrieve the email. For example, it will seem like this if you send the message from within an existing thread:

It will look like this if you have sent a new message that is not part of a thread.

You can undo the email and return it to your draft. The email will be sent if you don’t click in time, click View message, or navigate away.

How to Change the Amount of Time to Undo Send

You can miss a chance if your reaction time is not quick enough. So, Gmail lets you customize how long you have to recall an email. Click the Settings (gear) icon, then choose See all settings.

Click on the dropdown box to Undo Send an email and select your preferred time. You will be chosen for 5, 10, 20, or 30 seconds.

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We recommend selecting a maximum of 30 seconds. However, there is a 30-second delay before your email is delivered to the receiver, which is the only downside. But it’s better to be 30 seconds late than to be late at all.

Frequently Asked Questions

Can I unsend an email after it has been delivered in Gmail?

No. Gmail only lets you cancel sending an email during the selected Undo Send cancellation period. After that, the email cannot be recalled.

How long do I have to unsend an email in Gmail?

You can choose a cancellation period of 5, 10, 20, or 30 seconds in Gmail settings.

How do I change the Undo Send time in Gmail?

Go to Settings, select See all settings, open the General tab, choose your preferred Send cancellation period, then click Save Changes.

Does Gmail Undo Send work on mobile devices?

Yes. Gmail’s Undo Send feature is available on the Gmail app for Android and iPhone, as well as on the web version.

What happens when I click Undo in Gmail?

Clicking Undo stops the email from being sent and returns it to the compose window so you can edit or delete it.

Can recipients see an email before I click Undo?

No. Gmail delays sending the email during the selected cancellation period, giving you time to cancel it before delivery.

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