Aside from your Gmail password, it may be a good idea to change the passwords of any related accounts. For example; if you use this Gmail to login to your bank account, update that password as well. Enable two-factor authentication. Once you have control of your Gmail account; it’s time to increase security to prevent it from happening again.
On your computer, sign in to the Gmail account you want to import to. In the top right, click Settings See all settings. Click the Accounts and import tab. In the "Check mail from other accounts" section, click Add a mail account. Type the email address of the other account, then click Next. Make a selection and click Next. Type your password.
Go back to the settings page for the Gmail account you want to forward messages from, and refresh your browser. Click the Forwarding and POP/IMAP tab. In the "Forwarding" section, select Forward a copy of incoming mail to. Choose what you want to happen with the Gmail copy of your emails. We recommend Keep Gmail's copy in the Inbox.
Select Label incoming messages and pick the label corresponding to the old Gmail account's email address, an existing label, or a new label. Select Archive incoming messages (Skip the Inbox), so imported emails do not show up your new Gmail account's inbox.
Gmail natively allows to view another user's account by means of delegation. But GSutie basic / business could allow you to set this by default. Admin should enable in domain wide settings for Gmail. Alternatively, you could use Google Vault a backup solution of all users email.
How to import email to the new Gmail account: Log into your new Gmail account. Hit the gear icon. Select See all settings.; Go to the Accounts tab.; Go to the Check mail from other accounts ...
Open up your Gmail app, and tap the three horizontal lines at the top-left of the page, then choose ”Settings” near the bottom. You will be taken to a page that shows any and all Gmail accounts associated with your phone at the time. Tap on one of the accounts. At the top of the next screen, select ”Manage Your Google Account.”
Otherwise, follow the instructions to add your account: open the Gmail app; in the top right, tap your profile picture; tap Add another account; choose the type of account to add (Gmail or Google ...
Tap TAKE ME TO GMAIL. It's at the bottom of the screen. If you aren't currently logged into your preferred Google Account on your Android, you may instead tap Add another email address, tap Google, and enter your email address and password as prompted.
Since the time that you first set up your Gmail account, you may have changed your phone number, or ditched an old email account. So it's a good idea to double-check your backup contact methods.