Outlook 2016 for Mac repeatedly prompts for authentication

Symptom

In Microsoft Outlook 2016 for Mac, when connected to your Office 365 account, you are repeatedly prompted for authentication.

Workaround

To work around this issue, delete any cached passwords for your account and modern authentication tokens from the Keychain. To do this, follow these steps:


  1. Quit Outlook and all other Office applications.
  2. Open Keychain Access by using one of the following methods:
    • With Finder as the selected application, on the Go menu, click Utilities. Double-click Keychain Access.
    • In Spotlight Search, type Keychain Access and then double-click Keychain Access from the search results.
  3. In Keychain Access, in the search field, enter Exchange.
  4. In the search results, select each item to view the Account that is listed at the top, and then press the Delete key. Repeat this step to delete all the 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 the Delete key.
  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 the Delete key.
  9. Quit Keychain Access.

Status

Microsoft is researching this problem and will post more information in this article when the information becomes available.
Propiedades

Id. de artículo: 4010106 - Última revisión: 13-01-2017 - Revisión: 16

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