Note: This article applies only to Office 365 operated by 21Vianet in China.
Quit out of all Office for Mac apps such as Word, Excel, PowerPoint, Outlook, and OneNote. Search for 'keychain' in Spotlight and launch the Keychain Access app. Select the login keychain entry in the top left navigator pane, then from the File menu, choose Lock Keychain 'login'. Launch any Office app, such as Word. After deleting entries in Keychain related to office, exchange, and adal restart computer. In Keychain lock the login entry. Open Outlook input password to allow access to Keychain again - Continue with steps to input password into the password textbox under Tools Accounts mailbox(es) having issues - Restart Outlook.
Ready to install Office 2016 for Mac for Office 365? This article tells you how.
To use Office for Mac 2016, you must have:
Mac OS X 10.10 or later
One of the following subscriptions:
Office 365 Enterprise E3
Office 365 Business
Office 365 Business Premium
Office 365 ProPlus
Office 365 ProPlus for Students
Office 365 ProPlus for Faculty
Office 365 Midsize Business
Office 365 Small Business Premium
Note: Office 2016 for Mac for Office 365 operated by 21Vianet is not offered through the Apple store.
From your Mac, sign in to Office 365 operated by 21Vianet with your work or school account.
Go to Settings > Office 365 Settings > Software.
On the Software page, under Install Office 2016 for Mac, select Install to begin downloading the installer package.
Once the download has completed, open Finder, go to Downloads, and double-click Microsoft_Office_2016_Installer.pkg.
On the first installation screen, select Continue to begin the installation process.
Enter your Mac login password to complete the installation.
After Office 2016 for Mac is installed, Word 2016 for Mac opens so you can activate Office and confirm your subscription. You should only have to do this once.
Review the Word 2016 for Mac What's New screen, and then select Get started.
On the Sign in to Activate Office screen, select Sign In, and then enter your work or school account.
After you sign in, you may see an alert asking for permission to access the Microsoft identity stored in your keychain. Select Allow or Always Allow to continue.
On the next screen, choose an appearance for your Office installation, select Continue, and then select the Start Using Word button to open the app and complete the Office 2016 for Mac activation.
If you can't complete the install after going through these steps, contact the 21Vianet support team.