Use Google Takeout to archive emails

Here's a step-by-step guide on how to use Google Takeout to archive your Gmail:

1. Go to Google Takeout:

Open an incognito window in Chrome
Visit the Google Takeout website: https://takeout.google.com/
Takeout is designed for the end user, not an administrator. Login using the credentials for the user you wish to archive

2. Select Your Data:

Deselect all (if you only want your emails).
Scroll down until you find "Mail."
Check the box next to Mail.

3. Customize Your Export:

Delivery Method:Choose how you want to receive your archive:
- Add to Drive Store the archive in your Drive account.
Frequency: Choose "Export once" for this task.
File type & size: You can leave this on the default setting.

4. Create Your Archive:

Click the "Create export" button.
Google will start preparing your archive. This may take some time, depending on the size of your mailbox. You'll receive an email when it's ready.
If you want to check on the status of the archive, you can login to Google Takeout, deselect all and select Access Log Activity
Click Next Step and you will see the status of the Gmail archive

Important Notes:

The exported archive will typically be in the MBOX format, which can be opened by various email clients or imported into other email services.
Keep your archive safe and secure, as it contains your email data.