Adding Zoho email to Outlook only takes a few simple steps. Let’s take a glance at them:
Open Outlook on your computer.
Click on File.
Click on Add Account.
Select the “Manual setup or additional server types” option.
Click on Next.
On the Choose Service page, select the POP or IMAP option, then click Next.
In the POP and IMAP Account Settings window, enter your User Information.
In the Server Information section, choose IMAP in Account Type.
In the Incoming mail server field, enter “imappro.zoho.com” for organization accounts and “imap.zoho.com” for personal accounts.
In the Outgoing mail server field, enter smtp.zoho.com.
In the Logon Information section, enter your email password and ensure the checkbox for Remember password is selected.
Click on More Settings.
Go to the General tab, enter the Organization name and Reply E-mail.
Open the Outgoing Server tab.
Check the “My outgoing server (SMTP) requires authentication” box.
Open the Advanced tab.
In the Server Port Numbers section, enter “993” in the incoming server field and select SSL from the dropdown.
In the outgoing server field, enter “465” and select SSL from the dropdown.
Click on OK.
In the Add Account window, click on Next.
Wait for Outlook to test the account settings.
Once the tasks show a green checkmark, click “Close.”
After the window indicates that you are all set, click Finish.
Source:- Add Zoho Email to Outlook