How to Automatically Forward Gmail to Another Gmail Account

Managing multiple email accounts can be an overwhelming task. Whether you are transitioning to a new primary email address, consolidating several project-based accounts, or simply wanting to view all your messages in one centralized inbox, knowing how to forward Gmail to another Gmail account is an essential skill for digital organization.

Setting up automatic forwarding allows you to keep one account active for receiving mail while managing the actual responses and organization from a different, preferred account. This guide provides a comprehensive walkthrough of the process, covering full automation, selective filtering, security implications, and troubleshooting.

The Core Process of Gmail-to-Gmail Forwarding

Gmail offers a robust internal tool to handle mail redirection. It is important to note from the outset that this process must be initiated on a desktop or laptop browser. The Gmail mobile application for iOS and Android does not currently support the configuration of forwarding rules.

Why Forwarding is Different from Syncing

Before diving into the steps, it is crucial to understand that "forwarding" is a push-based system. When a new email arrives in Account A, Gmail immediately sends a copy to Account B. This is different from "fetching" (POP3), where Account B periodically checks Account A for new mail. Forwarding is near-instantaneous, making it the superior choice for time-sensitive communications.

How to Forward All Incoming Emails to Another Gmail Account

If your goal is to completely migrate from an old account to a new one, or if you simply want to see every single message in your secondary inbox, you should set up universal forwarding.

Step 1: Access Forwarding Settings

Log in to the Gmail account from which you want to forward emails (the "source" account). Click the gear icon in the top right corner and select See all settings.

In the top menu bar, click on the tab labeled Forwarding and POP/IMAP. This is the hub for all mail redirection activities.

Step 2: Add the Destination Address

In the "Forwarding" section, click the button that says Add a forwarding address. A pop-up window will appear. Enter the full Gmail address of the account where you want the emails to be sent (the "destination" account).

Click Next, then click Proceed in the confirmation window. Gmail will notify you that a verification code has been sent to the destination address.

Step 3: The Verification Step

This is a critical security measure. You cannot forward mail to an address without the explicit permission of that address owner.

1. Log out of your source account and log into the destination Gmail account.
2. Look for an email from the "Gmail Team" with the subject "Gmail Forwarding Confirmation."
3. Open the email and click the long verification link provided. Alternatively, copy the numerical confirmation code found in the email.
4. If you used the link, you will see a confirmation page. If you copied the code, return to the source account's Forwarding and POP/IMAP settings and paste the code into the verification box, then click Verify.

Step 4: Activating the Rule

A common mistake users make is assuming the process is finished after verification. By default, Gmail keeps forwarding disabled even after an address is verified.

1. In the source account’s Forwarding and POP/IMAP tab, look at the "Forwarding" section again.
2. Select the radio button for Forward a copy of incoming mail to [your destination email].
3. In the dropdown menu next to the address, choose what happens to the original copy in the source inbox. You have four options:
   • Keep Gmail's copy in the Inbox: The safest option; a copy stays in the original account as a backup.
   • Mark Gmail's copy as read: Keeps the copy but prevents it from cluttering your unread count.
   • Archive Gmail's copy: Moves the original message to "All Mail," keeping the inbox clean.
   • Delete Gmail's copy: Permanently removes the original message. Use this with caution.
4. Crucial: Scroll to the bottom of the page and click Save Changes. Without this step, your settings will not be applied.

How to Forward Specific Emails Using Gmail Filters

Universal forwarding isn't always the best solution. Perhaps you only want to forward receipts to a business account or personal messages to a private one. In these cases, Gmail's filtering system allows for granular control.

Creating a Forwarding Filter

To forward only specific types of messages, you must first have a verified forwarding address (follow Steps 1 through 3 in the previous section). However, make sure the radio button for "Disable forwarding" is selected in the main settings, otherwise all mail will be sent regardless of your filters.

1. In the search bar at the top of Gmail, click the Show search options icon (the three horizontal sliders).
2. Define your criteria. You can filter by:
   • From: Specific senders or domains (e.g., @company.com).
   • Subject: Specific keywords in the subject line.
   • Has the words: Keywords anywhere in the email body.
   • Has attachment: Forwards only emails with files.
   • Size: Forwards only large emails.
3. Click Create filter.
4. In the next window, check the box for Forward it to: and select your verified address from the dropdown menu.
5. Click Create filter.

Now, only emails meeting those exact specifications will be redirected to your other Gmail account.

Troubleshooting Common Gmail Forwarding Issues

Despite the straightforward nature of the settings, users often encounter hurdles. Here are the most frequent issues and their solutions based on technical experience.

Forwarding Does Not Work for Old Emails

One of the most frequent points of confusion is that Gmail's "Forwarding" setting only applies to newly arriving mail. It does not retroactively send existing messages in your inbox to the new account. If you need to move your entire history, you should use the "Import mail and contacts" feature found under the Accounts and Import tab.

The Problem of Testing from the Destination Account

If you send a test email from Account B to Account A to see if it forwards back to Account B, you will likely see nothing. Gmail recognizes that the email originated from the destination account and suppresses the duplicate message to prevent inbox loops. To test properly, use a third, unrelated email address to send a message to Account A.

Spam is Not Forwarded

Google’s automated systems filter out suspected spam before the forwarding rule is applied. If a legitimate email is caught in the source account's spam folder, it will not be forwarded to your second account. It is a good practice to check the spam folder of the original account occasionally.

Organization and Admin Restrictions

If you are using a Google Workspace account (for work or school), your organization's IT administrator may have disabled automatic forwarding for security reasons. If you follow all the steps and the "Forwarding" tab is missing or the setting doesn't "stick," contact your IT department to see if external forwarding is permitted.

Managing the Forwarding Notice Banner

When you enable automatic forwarding, Gmail displays a prominent notice at the top of your inbox: "You are forwarding your email to [address]. This notice will go away in 7 days."

This is a non-removable security feature. Its purpose is to ensure that if an unauthorized person gains access to your account and sets up a secret forwarding rule to steal your data, you will be alerted the next time you log in. If you see this banner and you did not set up the forwarding, you should immediately change your password and check your security settings.

Forwarding vs. Other Methods of Account Connection

Forwarding is just one way to manage multiple Gmail accounts. Depending on your workflow, other methods might be more suitable.

Gmail Delegation

If you want to allow another person (or yourself) to read and send mail from an account without sharing the password, use Mail Delegation. This allows the "delegate" to switch to the account via the profile icon in the top right. This is better for teams or assistants.

Mail Fetcher (POP3)

If you want the second account to "pull" mail from the first one, you use the Mail Fetcher. This is useful if the source account doesn't support automatic forwarding (though all Gmail accounts do). It is slower than forwarding but can be configured to fetch older mail.

Multiple Account Sign-in

If you just want to quickly switch between accounts on the same browser, you can simply click your profile picture and select Add another account. This doesn't move mail between them but allows you to have multiple tabs open for different inboxes simultaneously.

Security Best Practices for Email Forwarding

Email is a primary target for security breaches. Forwarding can inadvertently create vulnerabilities if not managed correctly.

1. Enable Two-Factor Authentication (2FA): Ensure both the source and destination accounts are protected by 2FA. If one account is compromised, the hacker could potentially gain access to the data flowing into the second account.
2. Review Filters Periodically: Over time, you may forget which filters you have set up. Once a year, review your "Filters and Blocked Addresses" tab to ensure you aren't forwarding sensitive information to an account you no longer monitor.
3. Be Wary of Chain Forwarding: Forwarding from Account A to Account B, and then from Account B to Account C, can lead to delivery failures and "loop" errors. Try to keep your email architecture as flat as possible.

What is a Recipient Address Map?

For Google Workspace administrators, forwarding is often managed at the domain level rather than the user level. Using a "Recipient Address Map," an admin can redirect mail for a user who has left the company to their replacement without keeping the original mailbox active. This is a more permanent, server-side solution compared to the user-level settings discussed above.

Frequently Asked Questions (FAQ)

Can I forward my Gmail to multiple other Gmail addresses?

Using the standard "Forwarding and POP/IMAP" tab, you can only select one address to receive all mail. However, you can circumvent this by using filters. Create a filter for "all mail" (e.g., search for messages larger than 0 bytes) and set the action to forward to Address B. Then, create another identical filter for Address C.

Will forwarding my mail use up storage on both accounts?

If you select the option to "Keep Gmail's copy in the Inbox" on the source account, the email will consume storage space in both the source and the destination accounts. If your source account is nearly full, you may want to select "Delete Gmail's copy" to free up space, provided you trust the destination account's storage capacity.

Does forwarding include attachments?

Yes. When an email is forwarded through Gmail’s automatic settings, the entire message—including headers, body text, and attachments—is sent to the new address. However, if the attachment exceeds the 25MB limit of the destination account, the delivery might fail.

Can I set up forwarding from the Gmail app on my iPhone?

No. You must use a mobile or desktop web browser to access the "See all settings" menu. If you do not have access to a computer, open your mobile browser (like Safari or Chrome), go to gmail.com, and request the "Desktop Site" in the browser settings.

How do I stop forwarding emails?

To disable the feature, go back to the Forwarding and POP/IMAP tab in your source account. Select the radio button for Disable forwarding and click Save Changes at the bottom of the page.

Summary of Gmail Forwarding Steps

Setting up Gmail forwarding is a powerful way to streamline your digital life. By centralizing your communications, you reduce the risk of missing important updates and save the time spent logging in and out of various accounts. Whether you choose to redirect every message or use surgical filters, the key is to ensure your verification is complete and your changes are saved.

Through careful management of these settings, you can transform your cluttered digital workspace into a highly efficient, single-stream inbox, allowing you to focus on the messages that truly matter.