Cisco WebEx add-in button is missing from the Home tab in Outlook 2016 for Mac 64-bit

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: August 2016

Issue

When using Outlook 2016 for Mac 64-bit (version 15.25 or later) with the Cisco Web-Ex add-in installed and enabled, the Cisco WebEx add-in button no longer appears on the Home tab on the ribbon.

Cisco WebEx button on the Home tab of the ribbon on Outlook 2016 for Mac

Status: Fixed

This is a known compatibility issue. To fix this issue, you can download the WebEx Productivity Tools version 31.5.1 or later from https://www.webex.com/support/productivity-tools.html#c4. For more information on supported versions, go to WebEx Productivity Tools Support (WBS31).

To confirm which version is currently installed on your machine, run the following code from the Terminal.

/usr/libexec/plistbuddy -c 'Print CFBundleVersion' /Library/Application\
Support/Microsoft/WebExPlugin/WebexOutlookPlugin.bundle/Contents/Info.plist

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See Also

Error message and Add-in Compatibility after upgrading to Office for Mac 64-bit Office

KB 3187505: Office 2016 for Mac 64-bit Upgrade

Office 2016 for Mac upgrade to 64-bit

Mac Office and the Transition to 64-bit

Fixes or workarounds for recent issues in Outlook for Mac

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