Important: This issue is now closed with the fix indicated below. For more information on other recent issues for your application, see Fixes or workarounds for recent Office issues.
Last updated: Sep 6, 2017
The options to Ignore All and Add to Dictionary are grayed out in Outlook Spelling and Grammar window, and Ignore Once is replaced with Undo Edit.
This issue is fixed in build 16.0.8229.2073 for Office 365. To install the fix, go to File > Office Account > Update Options > Update Now.
For Outlook 2016 MSI, the issue is fixed with this update: August 8, 2017, update for Word 2016 (KB3213656).
For Outlook 2013 MSI, the issue is fixed with this update: August 1, 2017, update for Word 2013 (KB4011045).
There are no plans to release a fix for Outlook 2007 and Outlook 2010.
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