1. Microsoft says it hasn’t tested Office 2011 for Mac on High Sierra and no support will be provided. They point out that support for Office 2011 ends in a few months, on 10 October 2017. On the other hand, it’s hard to believe that the Office for Mac team hasn’t devoted some effort to testing Office 2011 on the upcoming macOS.
  2. Microsoft Office for Mac 2011 Not Supported on macOS High Sierra Posted on September 25th, 2017 by Kirk McElhearn macOS High Sierra is due to be released to the general public today, and it’s a good idea to prepare your Mac before upgrading.
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As of September 25, 2017, macOS 10.13 High Sierra is publicly available for all Mac users to install. Office 2016 for Mac is fully supported on High Sierra. For the best experience, we recommend you update Office to version 15.38 or later.

Question: Q: Microsoft Office for Mac 2008 with Sierra? I'm still using Microsoft Office 2008 with no problems on Mountain Lion (10.8.5). I have been reading the various posts and work arounds but they seem to advise on later versions of Office example 2016.

For updates regarding macOS 10.14 Mojave, see Microsoft Office support for macOS 10.14 Mojave.

Office 2016 for Mac

Are All Microsoft Office Versions Compatible With Mac Sierra Os System Requirements

See 'What version of Office am I using?' if you don't know what version you're on.

Version of Office

Supportability

15.35 and later

Office 2016 for Mac is fully supported on macOS 10.13 High Sierra.

If you encounter issues using Office 2016 for Mac, please send us feedback so we can address them. In Word, Excel, PowerPoint and OneNote, you can click on the Send a Smile icon in the top-right of the app. For Outlook, choose Contact Support from the Help menu.

15.34 and earlier

These versions are not supported on 10.13. In some cases, you may not be able to launch the Office apps. For example, users will see the following error message when attempting to launch Outlook 2016 ver. 15.34:

If you installed Outlook 2016 ver. 15.34 or earlier, and are not being offered an update to 15.35 or later, download the latest Office 2016 for Mac Suite Installer here.

Are All Microsoft Office Versions Compatible With Mac Sierra Os X

Office for Mac 2011

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.

Are All Microsoft Office Versions Compatible With Mac Sierra Os Download

Since October 10, 2017, Office for Mac 2011* is no longer supported. This means there will be no new security updates, non-security updates, free or paid assisted support options, or technical content updates. Refer to the Microsoft Support Lifecycle for more information.

Mac Os X Sierra

* Lync for Mac 2011 has a limited time of Extended Support for security fixes.