Step 1: Open Outlook and select File.
Step 2: Check Manual setup or additional server types and click Next.
Step 3: Select IMAP and click Next
Note: You cannot edit an existing email account to switch its account type from POP3 to IMAP or vice versa. To change the account type, you must add a new account of the desired type (POP3 or IMAP).
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Account Type: Select IMAP
Incoming: imap.gmail.com
Outgoing: smtp.gmail.com
Select IMAP after the Incoming mail server name.
User Name: Enter in the full email address
Password: Enter in the password for that specific email address
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Note: Use your domain name in domain.com field
Step 4: Click More Settings.
Step 5: Select Outgoing Server and check My outgoing server (SMTP) requires authentication.
Step 6: Select Outgoing Server
Step 7: Select Advanced.
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Enter the below details
For IMAP use 993 – SSL enabled
Outgoing SMTP port – 465 SSL enabled
For Root folder path enter INBOX with uppercase letters.
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Step 8: Click “Next” and then click “Finish” to complete the email account setup.