Microsoft Outlook Not Opening On Mac High Sierra

High Sierra leaves Microsoft Office for Mac 2011 behind, 2016 edition needs updating. By Mike Wuerthele Tuesday, June 13, 2017, 09:21 am PT (12:21 pm ET) A support document published by Microsoft. Mar 13, 2020  the update of Outlook 2016 for Mac got freezed. Other Office updates went ok. Outlook 2016 for Mac does not start after update under Sierra 10.12.3. I had the problem when I did a new install on High Sierra with corporate distribution. Outlook would not start and also did not show within the Microsoft Update. It appears that apps only.

  1. Microsoft Outlook Not Opening On Mac High Sierra Upgrade
  2. Microsoft Outlook Not Opening On Mac High Sierra Installer
  3. Microsoft Outlook Not Opening On Mac High Sierra 2017
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Symptoms

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

Launch Trash. Microsoft excel temporary files mac.

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.

  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.

Microsoft Outlook Not Opening On Mac High Sierra

Microsoft has announced in a support document that Office for Mac 2011 will not be supported under macOS 10.13 High Sierra. It doesn’t go as far as to say the software will not work, but hints at this.

Word, Excel, PowerPoint, Outlook and Lync have not been tested on macOS 10.13 High Sierra, and no formal support for this configuration will be provided.

It also notes that users of Office 2016 for Mac may experience problems with High Sierra …

Microsoft says that versions 15.34 and earlier are not supported, and you may not be able to launch the apps. You are advised to update to 15.35 or later, but even that’s no guarantee.

Not all Office functionality may be available, and you may encounter stability problems where apps unexpectedly quit. During the beta period for macOS 10.13 High Sierra, no formal support is available for this Office configuration. Run microsoft project on mac free.

Microsoft Outlook Not Opening On Mac High Sierra Upgrade

We strongly recommend that you back up your existing data before trying the software. If you encounter issues using Office 2016 for Mac on High Sierra, please send us feedback so we can address them.

The company also advises that support for the 2011 suite ends next month – including security updates.

All applications in the Office for Mac 2011 suite are reaching end of support on October 10th, 2017. As a reminder, after that date there will be no new security updates, non-security updates, free or paid assisted support options or technical content updates.

Microsoft Outlook Not Opening On Mac High Sierra Installer

MacWorld notes that Mac users of Microsoft Office get second-class service from the company, offered only five years of security updates instead of the ten years given to Windows users, alongside often long-delayed porting of new features.

Microsoft Outlook Not Opening On Mac High Sierra 2017

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