If the updating process requires you to close any applications, a notification will appear to give you the option of how to proceed.You can continue working with your Microsoft applications while this process takes place. Your updates will begin downloading in the background.Click on the Update Now option from the drop-down menu that appears.Click on the Account menu option, and then on the Update Options button.Open any of the Microsoft Office applications that you have installed as part of your Office 365 subscription (except Skype for Business), and click on the File menu at the top left.This process cannot be done directly through Skype for Business and will manually update on all of your Office 365 desktop applications (including Skype for Business). If your Office 365 version of Skype for Business has not updated to the most current version, you can manually force it to update. This article contains the necessary steps for forcing the Office 365 version of Skype for Business to update to the most current version.