Manually Set Up an Email Account in Microsoft Outlook 2016 (IMAP or POP3)

If the automatic setup of your email account in Microsoft Outlook 2016 does not work, you can set up your account manually.

Requirements
Please Note

In Microsoft Outlook 2016, you can manage multiple email accounts using IMAP (Recommended) or POP3.

Step 1

Open Microsoft Outlook 2016 and click File on the menu.

Step 2

Under Account Information, click Add Account.

Step 3

Select Manual setup or additional server types and click Next.

Step 4

Select POP or IMAP and click Next.

Step 5

Enter the User Information, Server Information (See below), and Logon Information. Select the account type: IMAP or POP3.

If you would like to retrieve your email with POP3, select the POP3 account type under Server Information and enter pop.ionos.com as the incoming mail server. See below for the IMAP settings.

User Information  
Your Name The name of your choice that will be displayed on outgoing emails
Email Address The full email address you are setting up in Outlook 2016
Server Information  
Account type IMAP
Incoming mail server imap.ionos.com
Outgoing mail server smtp.ionos.com
Logon Information  
Username Your full email address
Password The password that you assigned when setting up the email address
Do not check "Require logon using Secure Password Authentication (SPA)"  
Step 6

Click More Settings.

Step 7

Under the Outgoing Server tab, check the My outgoing server (SMTP) requires authentication box. Select the menu item Use same settings as my incoming mail server. Click OK.

Step 8

SSL settings for IMAP:

Now switch to the Advanced tab. Select the data below for the Incoming and Outgoing mail servers.

Server Port Numbers    
Incoming Mail Server (IMAP) 993 Encrypted Connection Type: SSL
Outgoing Mail Server (SMTP) 587 Encrypted Connection Type: TLS

SSL Settings for POP:

Switch to the Advanced tab. Check the box This server requires an encrypted connection (SSL). Then enter the settings for the incoming and outgoing mail servers.

Server Port Numbers    
Incoming server (POP3) 995 This server requires an encrypted connection (SSL)
Outgoing server (SMTP) 587 Encrypted Connection Type: TLS
Step 9

Click Next > Finish.

You have completed setting up your email account in Microsoft Outlook.