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Office 365 - What version of Microsoft Office/Outlook am I using?

This document describes how you can determine the version of Office you have installed on your computer. These instructions assume you already have an Outlook profile/account configured. If you do not have Outlook configured, you can substitute Outlook with any of the other Office applications in the steps below.

Important: To get the latest features/updates, it is recommended that you install the Office 365 ProPlus/Subscription version of Office/Outlook. The Professional Plus/2016/2019/Volume License version is only receiving security updates.

  •  Note - Windows 7 End of Support and Office 365 ProPlus

    • As announced previously, Windows 7 will be out of support after January 14, 2020. Because Office 365 is governed by the Modern Lifecycle Policy, customers are required to stay current as per the servicing and system requirements for the product or service. This includes using Office 365 ProPlus on a Windows operating system that is currently in support.

      Using Office 365 ProPlus on older, unsupported operating systems may cause performance and reliability issues over time. If your organization is using Office 365 ProPlus on devices running Windows 7, we strongly recommend your organization move those devices to Windows 10.

      [How does this impact me?]

      Even though Windows 7 will no longer be supported after January 2020, we understand Office 365 customers may need more time in their migration to a supported operating system. Through January 2023, Microsoft will provide security updates for Office 365 ProPlus on Windows 7. But, during that time, as long as the device is still running Windows 7, Office 365 ProPlus won’t receive any new features updates.

      [What should I do to prepare for this change?]

      We recommend that organizations migrate to Windows 10 or a supported operating system before the end of support date on January 14, 2020 in order to continue receiving new feature updates to Office 365 ProPlus. Make sure to discuss this process with your local IT staff before making changes to your system.

      We’ll be providing more information by January about how to get security updates for Office 365 ProPlus on devices running Windows 7 after support for Windows 7 ends.

      Note: This information also applies to Office 365 Business which is included in business plans such as M365 Business and Office 365 Business Premium, and to desktop versions of Project and Visio.

      For more information, please see this support article and this FAQ.

Select your operating system:


Windows OS

  1. Start Outlook or any other Microsoft Office application.
  2. On the File menu, click Office Account or Account.
  3. Under Product Information, you'll see the general version of Office installed on your computer.
    Office Product Information
    This version was downloaded/installed from your Office 365 subscription - you must have
    an active Office 365 ProPlus license/subscription to run this version.
    Office Product Information
    This version was downloaded/installed from Campus Software Library (CSL).
  4. For complete version, click About Outlook. A new window will appear. The top will display the build information and if the client is 32- or 64-bit.

    detailed version

  5. Click left arrow to return to Outlook.

Mac OS

  1. Start Outlook or any other Microsoft Office application.
  2. From the Outlook menu on the Apple menu bar, select About Outlook.
  3. You will be presented with the 'About Outlook' screen:
    Outlook_Mac_OWA.png
    This version was downloaded/installed from your Office 365
    subscription - you must have an active Office 365 ProPlus
    license/subscription to run this version.
    Outlook_Mac_CSL2.png
    This version was downloaded/installed from Campus Software
    Library (CSL).
  4. Click red X to return to Outlook.

See Also:




Keywords:microsoft office365 o365 for mac windows version use how to tell client about information web app owa browser firefox internet explorer ff ie chrome mozilla google office outlook word excel powerpoint   Doc ID:45506
Owner:Ara M.Group:Office 365
Created:2014-12-08 16:30 CSTUpdated:2019-10-09 07:07 CST
Sites:DoIT Help Desk, DoIT Tech Store, Office 365
Feedback:  9   8