Advanced Exchange account settings for Outlook 2016 for Mac

The following table provides information and tips for entering advanced Exchange settings. Settings include options for changing port numbers, using SSL, downloading message headers, and setting server addresses. To access these settings, click Outlook > Preferences > Accounts, select the Exchange account, and then click Advanced.

For information about the primary Exchange account settings, see Basic Exchange account settings for Outlook 2016 for Mac.

Exchange account server settings

Option

Description

Microsoft Exchange Server

If Outlook cannot automatically detect your Exchange server, you can enter its address here.

Override default port

To be able to edit the port number that follows the server address, select this check box.

Use SSL to connect (recommended)

Secure Sockets Layer (SSL) is an encryption technology that helps improve the security of the account.

Download headers only

If you have a slow network connection, you can use this option to improve performance. Only message headers are automatically downloaded to your computer. Therefore, large messages (and any attachments) are downloaded only if you select them in the message list. However, when you are offline, you can't read the message bodies or attachments.

Directory service Server

Also known as an LDAP server. Enter the name of the server that is provided by your system administrator. This server address is commonly the same address as your Microsoft Exchange Server address, but this is not always true.

Override default port

To be able to edit the port number that follows the server address, select this check box.

Use SSL to connect (recommended)

Secure Sockets Layer (SSL) is an encryption technology that helps improve the security of the account.

Log in with my Exchange account credentials

Select this check box if the directory service requires the same logon credentials as the Exchange Server.

Maximum number of results to return

Use this box to limit the number of names returned in search results.

Search base

Use this box to define the location in the directory from which the LDAP search begins.

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