Microsoft Outlook with an Office 365 subscription is the latest version of Outlook. Previous versions include Outlook 2013, Outlook 2010, and Outlook 2007. Availability of mobile apps varies by country/region. Find out what's available in your country/region. 2019-11-22 Outlook 2016 for Mac 反复提示进行身份验证 2019/11/22 适用于: Exchange Online, Outlook 2016 for Mac 本文内容 本文 在 Microsoft Outlook 2016 for Mac 中,当你连接到 Office 365 帐户时,将反复提示你进行身份验证。.
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Symptoms
Microsoft Outlook 2016 Mac Help Download
In Microsoft Outlook 2016 for Mac, you are repeatedly prompted for authentication while you're connected to your Office 365 account.
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Microsoft Outlook Mac Support
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Microsoft Outlook 2016 Mac Support
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
These steps affect all Office applications that use modern authentication.
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.
Note
When you start Outlook, you are prompted to authenticate.