Microsoft Office For Mac Suddenly Blank
Collaborate for free with online versions of Microsoft Word, PowerPoint, Excel, and OneNote. Save documents, spreadsheets, and presentations online, in OneDrive. 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. The following issues occur in the Unified Logging Service (ULS) log.
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Email message body is blank in Outlook.; 2 minutes to read; S; Applies to: Outlook 2016, Outlook 2013, Microsoft Outlook 2010, Microsoft Office Outlook 2007, Microsoft Office Outlook 2003; In this article. Original KB number: 2854787. When you view an email message in Microsoft Outlook, the message body is blank. 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. In the meantime, you may be able to workaround this problem by resetting the Office apps: Open the Windows Start menu and click Settings Apps. Find Microsoft Office Desktop Apps in the app list, select it and click on Advanced options. Click Fix, wait for about one minute and then restart your device.
-->Original KB number: 2854787
Symptoms
When you view an email message in Microsoft Outlook, the message body is blank.
Cause
This problem may occur because of an incompatibility between the Avgoutlook.Addin add-in and Outlook.
Resolution
Important
Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.
To resolve this problem, follow these steps to disable the Avgoutlook.Addin add-in. If the problem is, we recommend that you contact the vendor of the add-in to ask about an updated version of the add-in.
Exit Microsoft Outlook if it is running.
Start Registry Editor. To do this, use one of the following procedures, as appropriate for your version of Windows.
Windows 10, Windows 8.1 and, Windows 8: Press the Windows key+R to open a Run dialog box, type regedit in the Open box, and then press OK.
In Windows 7 or Windows Vista: Select Start, type regedit in the Start Search box, and then press Enter.
Locate and then select the following registry subkey, depending on the type of Office and Windows installations that you have.
32-bit Office plus 32-bit Windows
HKEY_LOCAL_MACHINESOFTWAREMicrosoftOfficeOutlookAddinsavgoutlook.Addin64-bit Office plus 64-bit Windows
HKEY_LOCAL_MACHINESOFTWAREMicrosoftOfficeOutlookAddinsavgoutlook.Addin32-bit Office plus 64-bit Windows
HKEY_LOCAL_MACHINESOFTWAREWow6432NodeMicrosoftOfficeOutlookAddinsavgoutlook.Addin
Right-click the LoadBehavior value, and then select Modify.
Change the Value Data value to 0, and then select OK.
Start Microsoft Outlook.
Note
To re-enable this add-in in Outlook, change the LoadBehavior value to 3.
More information
The Friendly Name of the Avgoutlook.Addin add-in is AVG Addin for MS Outlook.
For AVG software download information, go to the following AVG website:
Note
Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
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Note
Office 365 ProPlus is being renamed to Microsoft 365 Apps for enterprise. For more information about this change, read this blog post.
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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:
~/Library/Containers/com.microsoft.<Application>/Data/Library/Caches/Microsoft/uls/com.microsoft.<Application>/logs
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:
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WWW-Authenticate: Negotiate
WWW-Authenticate: NTLM
Cause
The symptoms occur for the following corresponding reasons:
Cause for symptom 1
Microsoft Office For Mac Suddenly Blank Labels
Starting from Office 2016 for Mac version 15.33, unsecured endpoint traffic is blocked in authentication flows.
Cause for symptom 2
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.