Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

Learn what to do if you receive a message in Mail or Calendar for Windows 10 that your account settings are out of date.

Learn how to install Skype for Business on your Windows computer, mobile device, or Macintosh.

Learn how to unfreeze your OneDrive account if it has been inactive over 12 months.

Get help with Skype for Business. Skype for Business 2016 Training. Video: What is Skype for Business? Video: Download and install Skype for Business (video)

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Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

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