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Our solution offers the best video, audio and screen-sharing experience across Windows PC, Mac, Linux, iOS, Android and H.323/SIP room systems. The Zoom Scheduler Add-in is designed to make scheduling a Zoom meeting within Microsoft Outlook simple. This add-in allows you to easily add a Zoom meeting to any new or existing calendar event. Update Office from the Mac App Store. If you downloaded Office from the Mac App Store, and have automatic updates turned on, your apps will update automatically. But you can also manually download the updates: Open the Mac App Store from your Dock or Finder. At any time, you can switch back by turning off the New Outlook switch. Before switching back, you'll have the opportunity to provide feedback on the experience and to create an in-app reminder for when additional features become available. Set preferences for the new Outlook for Mac. We’ve designed Outlook to be everyone’s most accessible inbox, with intuitive, voice-controlled navigation, support for multiple assistive devices, and more. Expand your Outlook A Microsoft 365 subscription includes premium Outlook features like an ad-free interface, custom domains, enhanced security, the full desktop version of Office apps.
Symptoms
In Microsoft Outlook 2016 for Mac, you are repeatedly prompted for authentication while you're connected to your Office 365 account.
Cause
This issue occurs because of the presence of duplicate tokens in the keychain.
Resolution
To resolve this issue in Outlook 2016 for Mac, install the February 2017 Outlook update (version 15.31.0) from the following Office website:
Workaround
To work around this issue, delete any cached passwords for your account, and also delete any modern authentication tokens from the keychain. To do this, follow these steps.
Note
Ms Outlook For Mac
These steps affect all Office applications that use modern authentication.
Microsoft Outlook For Mac Download
- Quit Outlook and all other Office applications.
- Start Keychain Access by using one of the following methods:
- Select the Finder application, click Utilities on the Go menu, and then double-click Keychain Access.
- In Spotlight Search, type Keychain Access, and then double-click Keychain Access in the search results.
- In the search field in Keychain Access, enter Exchange.
- In the search results, select each item to view the Account that's listed at the top, and then press Delete. Repeat this step to delete all items for your Exchange account.
- In the search field, enter adal.
- Select all items whose type is MicrosoftOffice15_2_Data:ADAL:<GUID>, and then press Delete.
- In the search field, enter office.
- Select the items that are named Microsoft Office Identities Cache 2 and Microsoft Office Identities Settings 2, and then press Delete.
- Quit Keychain Access.NoteWhen you start Outlook, you are prompted to authenticate.