Microsoft Outlook 2016 Mac Help

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  1. Microsoft Outlook 2016 Mac Help Program
  2. Microsoft Outlook 2016 Mac Help Download
  3. Microsoft Help Viewer V2.2

Symptoms

Help and support for the Microsoft Outlook app on PC, Mac, and mobile. Find how-to articles, watch video tutorials, and get the most out of your Office 365 subscription. Thank you for your feedback! It sounds like it might be helpful to connect you to one of our Office support agents.

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

Microsoft Outlook 2016 Mac Help Program

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

Microsoft Outlook 2016 Mac Help Download

These steps affect all Office applications that use modern authentication. Microsoft office revenues percent mac pc.

Microsoft Help Viewer V2.2

  1. Quit Outlook and all other Office applications.

  2. 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.

  3. In the search field in Keychain Access, enter Exchange.

  4. 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.

  5. In the search field, enter adal.

  6. Select all items whose type is MicrosoftOffice15_2_Data:ADAL:<GUID>, and then press Delete.

  7. In the search field, enter office.

  8. Select the items that are named Microsoft Office Identities Cache 2 and Microsoft Office Identities Settings 2, and then press Delete.

  9. Quit Keychain Access.

    Note

    When you start Outlook, you are prompted to authenticate.