How to download all mails from gmail to gmail

A clever question!

Unfortunately, it's not possible to download all your emails from one Gmail account to another Gmail account using the standard Gmail interface or API. However, there are a few workarounds to achieve this:

Method 1: Using Gmail's built-in feature

You can use Gmail's "Export" feature to download your emails in MBOX format, which can then be imported into another Gmail account. Here's how:

Log in to your Gmail account.
Click on the gear icon () and select "See all settings."
Go to the "Filters and Blocked Addresses" tab.
Click on "Create a new filter."
In the "From" field, enter your email address.
Click on "Create filter."
Select "Apply the label" and choose a label (e.g., "All emails").
Click on "Create."
Go to the "Labels" tab.
Click on the three vertical dots next to the label you created and select "Export."
Choose the "MBOX" format and select a location to save the file.
Repeat the process for each label you want to export.

Method 2: Using a third-party tool

There are several third-party tools available that can help you download your emails from one Gmail account to another. Here are a few options:

SaneBlackHole: A free, open-source tool that can download emails from Gmail in MBOX format.
Gmail Backup: A free tool that can backup your Gmail emails to a local folder or export them to another Gmail account.
Gmail Downloader: A paid tool that can download emails from Gmail in various formats, including MBOX.

Method 3: Using a script

If you're comfortable with scripting, you can use a Python script like imaplib to download your emails from one Gmail account to another. Here's an example script:

import imaplib
import email
import os

# Set up your Gmail accounts
from_account = '[email protected]'
to_account = '[email protected]'
from_password = 'your_from_password'
to_password = 'your_to_password'

# Connect to the from account
mail = imaplib.IMAP4_SSL('imap.gmail.com')
mail.login(from_account, from_password)
mail.select('inbox')

# Search for all emails
status, messages = mail.search(None, 'ALL')

# Download each email and forward it to the to account
for num in messages[0].split():
    status, msg = mail.fetch(num, '(RFC822)')
    raw_message = msg[0][1].decode('utf-8')
    message = email.message_from_string(raw_message)
    subject = message['Subject']
    body = ''
    for part in message.walk():
        if part.get_content_type() == 'text/plain':
            body = part.get_payload()
    # Forward the email to the to account
    to_mail = imaplib.IMAP4_SSL('imap.gmail.com')
    to_mail.login(to_account, to_password)
    to_mail.select('inbox')
    to_mail.sendmail(from_account, to_account, raw_message)
    to_mail.close()
    to_mail.logout()

# Log out from the from account
mail.logout()

Please note that this script is just an example and may require modifications to work with your specific Gmail accounts.

Remember to always follow Gmail's terms of service and ensure that you have the necessary permissions to access and download your emails.

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How to download all mails from gmail to gmail