Before beginning, confirm that you can log in to your mailbox at:

https://exchange.infoquesthost.com

Use your complete email address and Exchange password.

Open Microsoft Outlook on your Mac.
From the menu at the top of the screen, click Outlook, then select Settings.
Click Accounts.
Click Add Account or the plus (+) button.
Enter your complete email address and click Continue.
If Outlook attempts to configure the account as Microsoft 365, select Not Microsoft 365, Choose the Provider, or Configure Manually, depending on the version of Outlook installed.
Select Exchange as the account type.

Enter the following information:

Email Address:
Your complete email address

Method:
Username and Password

Username:
Your complete email address

Password:
Your Exchange password

Server:
exchange.infoquesthost.com

If Outlook requests an EWS server address, enter:

https://exchange.infoquesthost.com/EWS/Exchange.asmx

Click Add Account or Sign In.
Outlook should begin synchronizing your email, calendar, contacts, and other Exchange information.

Initial synchronization may take some time, depending on the size of your mailbox.

Important

Use the Microsoft Outlook application downloaded through your Microsoft 365 or Office account.

Microsoft states that versions downloaded from the Apple App Store may not support adding on-premises Exchange Server mailboxes.

Do not configure the account as IMAP.

Selecting Exchange provides access to your Exchange email, calendar, contacts, shared calendars, meeting invitations, and availability information.