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- This applies for both Office 365 for Mac and Office 2019 for Mac users. What about Office 2016 for Mac? If you have a one-time purchase of Office 2016 for Mac or you have Office 365 for Mac and are using the Office 2016 for Mac build on macOS versions earlier than 10.13, your.
- If you're one of the many people for whom El Capitan essentially killed Office 2016 for the Mac, you've finally got a fix. OS X 10.11.1 is out, and it appears to fix the problem.
Note
Oct 05, 2015 Since OS X El Capitan was released to the public last week, Microsoft Office users have noticed some serious bugs when attempting to use the software. MacRumors has received multiple emails from.
Office 365 ProPlus is being renamed to Microsoft 365 Apps for enterprise. For more information about this change, read this blog post.
Symptoms
When you try to activate or sign in to any of the Microsoft Office 2016 applications after you install the version 15.33 update, you receive a blank authentication screen. Additionally, you may see any of the following symptoms.
Symptom 1
The following issues occur in the Unified Logging Service (ULS) log:
- The server has redirected to a non-https URL.
- Errors occur in Azure Active Directory Authentication Library (ADAL) authentication.
To locate the ULS log, open Finder and browse to the following path:
Note <Application> represents the name of the application that you are troubleshooting.
Symptom 2
You notice that in an HTTP trace, the server response includes multiple WWW-Authenticate headers, such as the following: Download microsoft 2011 office for mac free download.
Cause
The symptoms occur for the following corresponding reasons:
Cause for symptom 1
Starting from Office 2016 for Mac version 15.33, unsecured endpoint traffic is blocked in authentication flows.
Cause for symptom 2
Microsoft Office 365 Can't Activate Mac Os El Capitan Release Date
Starting from Office 2016 for Mac version 15.33, the authentication method no longer selects NTLM authentication when multiple WWW-Authenticate headers are present in the response. The issue occurs when the selected authentication method is unsuccessful.
Resolution
Resolution for symptom 1
Configure all authentication endpoints to use the Secure Sockets Layer (SSL) protocol.
Resolution for symptom 2
Install the September 2017 update for Office 2016 for Mac version 15.38.
More Information
More information for symptom 1
The resolution applies when you use Microsoft Active Directory Federation Services or non-Microsoft federation solutions.