-->

When Microsoft Outlook 2016 for Mac connects to a Microsoft 365 account, Autodiscover is redirected from HTTP to HTTPS, and you may receive a warning message that resembles the following: Outlook was redirected to the server Autodiscover-s.outlook.com to get new settings for your account user@domain.com. ‎A qualifying Microsoft 365 subscription is required for Word, Excel, PowerPoint, and Outlook. A free 1-month trial of Microsoft 365 is included with each Microsoft 365 in-app purchase. It’s possible to run your life like a pro, keep your stuff secure, find balance, and achieve peace of mind.

Collaborate for free with online versions of Microsoft Word, PowerPoint, Excel, and OneNote. Save documents, spreadsheets, and presentations online, in OneDrive. Start quickly with the most recent versions of Word, Excel, PowerPoint, Outlook, OneNote and OneDrive —combining the familiarity of Office and the unique Mac features you love. Work online or offline, on your own or with others in real time—whatever works for what you’re doing.

Original KB number: 3206915

Download Microsoft Office 365 Mac

Symptoms

When Microsoft Outlook 2016 for Mac connects to a Microsoft 365 account, Autodiscover is redirected from HTTP to HTTPS, and you may receive a warning message that resembles the following:

Outlook was redirected to the server Autodiscover-s.outlook.com to get new settings for your account user@domain.com. Do you want to allow this server to configure your settings?
https://autodiscover-s.outlook.com/autodiscover/autodiscover.xml
Click Allow only if you fully trust the source, or if your Exchange administrator instructs you to.

When this warning message occurs, you may select Always use my response for this server and then select Allow in order not to be asked about this specific server again for this Outlook 2016 for Mac profile.

You or administrators may want to suppress the initial warning message. This article contains information about how to do this.

Resolution

Install the December 13, 2016 update for Outlook 2016 for Mac (version 15.29.0) or a later update, and then follow the steps to configure the Outlook 2016 for Mac Autodiscover redirect warning behavior when you connect to Microsoft 365.

For information about this update or to download the Outlook update package, see:

1. Quit Outlook if it's running.

2. Open Terminal using one of the following methods:

   • With Finder as the selected application, on the Go menu select Utilities, and then double-click Terminal.
   • In Spotlight Search, type Terminal, and then double-click Terminal from the search results.

3. Enter the following command in the Terminal window, and then press Enter.

4. On the Terminal menu, select Quit Terminal.

More information

The TrustO365AutodiscoverRedirect preference can be configured to use the following values:

Microsoft Office 365 Outlook Mail

This document will provide instructions on how to use the search function within Outlook for Mac.

Microsoft Outlook For Mac Office 365 Setup

Finding an E-mail

Using the quick search to search current folder

1. Locate the quick search bar in the upper right of Outlook
2. Type the word you wish to use to search by then select the category from the drop down
3. Your results will appear based off what you searched for.
4. Click the x in the search bar to clear your search.

Using the full search options

If you want to refine your search even more, you have the option of changing search criteria.

• To do so, click the search bar in the upper right. You will see another option called 'Search' added to your tools.

  From here you can:

  • Select Subfolders , All Mailboxes, or All Outlook Items to specify where you want the search to look.
  • Search for Attachments, Subjects, who you received the e-mail from or who you sent it to along with when it was sent or received.

Notes:

• If you don't click Close Search, the Search tab remains active. The item list continues to show the search results even if you click another tab, such as the Home tab.
• An Outlook search includes the file names of attachments but not the text inside attachments.
• To save a search as a Smart Folder, on the Search tab, click Save Search, and then enter a name for it under Smart Folders.
• Further search resources can be viewed on Microsoft's support pages.