Make a backup before proceeding
It is recommended you backup your Outlook data (PST file) before proceeding.
Here is more info from Microsoft Support about how to backup your email.
Connecting Microsoft Outlook clients to your new account
You can use AutoDiscover to configure your Outlook client. To set up your Outlook client, you need your email address and new password.
To connect Microsoft Outlook to your new account
In Windows, open Control Panel, and choose Mail (32-bit).
In the Mail Setup - Outlook dialog box, choose Show Profiles. Then, in the Mail dialog box, choose Add.
In the New Profile dialog box, enter "New Lightlink" in the Profile Name field, and choose OK.
In the Add Account dialog box, in the E-mail Address field, enter your lightlink email address and choose Next.
If you're prompted to enter your user name and password, make sure that you enter your full email address as your user name.
If you're prompted to configure server settings in the Allow this website to configure dialog box, select the Don't ask me about this website again check box, and choose Allow.
Outlook will prompt you when it finishes setting up your account. Choose Finish.
In Outlook 2016 for Mac or Outlook 2019 for Mac, do one of the following:
In Outlook 2016 for Mac or Outlook 2019 for Mac, do one of the following:
If this is the first account you're creating in Outlook 2016 for Mac or Outlook 2019 for Mac:
On the Welcome screen, choose Add Email Account.
Enter your email address, and then choose Continue.
Under Choose the provider, choose Exchange.
If you already have an email account for a different email address:
In the Tools menu, choose Accounts.
In the Accounts dialog box, choose + (plus sign) and New Account.
Enter your Email Address and choose Continue.
Under Choose the provider, choose Exchange.
In the Enter your Exchange account information dialog box, for Method, choose User Name and Password and enter your email address.
For Domain\Username or Email, enter your email address, and for Password, enter your password.
Choose Add Account to complete setup.
After your account is successfully set up, Outlook displays the account in the Accounts dialog box.
Manually connect Microsoft Outlook to your new mailbox
If automatic configuration fails, you can manually configure the following versions of Outlook:
Windows clients — Office Outlook 2007, Outlook 2010, and Outlook 2013
Mac clients — Outlook for Mac 2011, Outlook 2016 for Mac, and Outlook 2019 for Mac
To manually configure Outlook
Follow these steps to manually configure Office Outlook 2007, Outlook 2010, or Outlook 2013.
In Windows, open Control Panel, and choose User Accounts and Mail (32-bit).
In the Mail Setup - Outlook dialog box, choose Show Profiles. Then, in the Mail dialog box, choose Add.
In the New Profile dialog box, enter a name for the profile in the Profile name field and choose OK.
Select Manual setup or additional server types, and then choose Next.
If it isn't already, select Outlook.com or Exchange ActiveSync compatible service, and then choose Next.
Complete the following fields in the Server Settings dialog box:
For Your name, enter the name that you want others to see.
For E-mail Address, enter your lightlink.com address.
For Mail server, enter outlook.mail.us-east-1.awsapps.com
For User Name, enter your user name
For Password, enter your password.
(Optional) Choose Remember password.
Choose Next.
Outlook tests the connection and displays a message saying that your account is ready for use.
Choose Finish.
To manually configure Outlook for Mac 2011, Outlook 2016 for Mac, and Outlook 2019 for Mac
In the Tools menu, choose Accounts. In the Accounts dialog box, choose + and New Account, type your Email Address, choose Continue, and under Choose the provider, choose Exchange.
Type your Email address, Password, and User name where indicated. Make sure to type your full password.
For Server, type outlook.mail.us-east-1.awsapps.com.
Choose Add Account to complete setup.
After your account is successfully set up, it displays in the Accounts dialog box.