With the release of Office 2016 and four different branches on four different release schedules, having an older version number doesn't necessarily mean your Office isn't updated. It can be up to four months before everyone reaches a milestone.
Contains the a list of updates for the different branches. Office 2016 version and build numbers are also available at To check the Outlook build number in Outlook 2013 and newer, click on the File tab, then Office Account. Click About Outlook to see the full-sized About Microsoft Outlook dialog. In Outlook 2010, Help is on the File tab. If you want to see the classic version dialog, click the link for Additional Version information to see the classic dialog.
In older versions, click on Help, About. Outlook: Exchange version numbers are Office 2016 Beginning with Office 2016, updates are released to different groups at different time: Insider, First Release for Current Branch, Current Branch, Current Branch for Business. Insider gets pre-release updates frequently (basically, beta testers), First Release gets released updates ahead of other subscribers (Current Branch) monthly, while Current Branch for Business gets updates 4 times a year (and security updates monthly).
Confusing right? In plain English, the typical Office 365 Consumer is in the First Release, while small business subscribers are in Current Branch. In many cases, the time difference between updates released to First Release and Current Branch will be measured in days. If you joined the Insider program, you'll get updates more often.
Trying to keep up with the version numbers is a nightmare and hopefully Microsoft will keep their lists updated. List of all updates for Office 2016 subscription, by year, month, and application. Although the article is targeted to business subscriptions, it applies to consumer subscriptions too. Office 365 subscribers will be automatically upgraded to the next version of Office.
How do I join a meeting, webinar or class from a Mac or PC? Joining is easy. Do I need a GoToMeeting, GoToWebinar or GoToTraining account to attend a session? Is there a cost for using the built-in audio feature? How do I save chat sessions from my meetings? How does the Outlook plugin work? For instance, you can use the built-in Mac OS X backup feature – Time Machine – to backup Outlook 2011 with a noticeable difference in performance. Do not move a huge amount of items directly in Outlook 2011. Chances are high that the application will freeze. To move five or ten emails, you can.
(The upgrade can be delayed for up to one year.) Outlook 2016 Build Comments 16.0.6228.1038 November 15 2015 - first Insider Build. 16.0.4229.1024 RTM. Released September 22 2015 Volume license version is 16.0.4266.1003 16.0.4229.1009 Public Preview (July 28 2015) Beginning with Office 2013, most installations are 'click to run' and updates are installed (usually automatically) from the Office update server. Anyone using the 'click to run' installation will not use an update file.