Office 365 Groups

Year of Yammer: New Goals for Microsoft’s Enterprise Collaboration App

by Tony Redmond

Microsoft has declared some undefined period, perhaps starting at the Ignite conference, to be the "Year of Yammer." Cynics might say "What! Yet again?" as Microsoft tries to position its enterprise networking app within Office 365 collaboration as it certainly feels like we have been down this path before. On the upside, this attempt seems to focus on what Yammer is good at instead of mimicking other apps. Time will tell.

Discover Who Creates Guest Accounts in Office 365 Applications

with 2 Comments by Tony Redmond

Office 365 applications now create many guest accounts in Azure Active Directory. You can see what accounts exist, but it's more difficult to discover who created the accounts - or why they were created. Fortunately, the Office 365 audit log holds a lot of useful data that can be interrogated to find some answers and PowerShell is a great tool for slicing and dicing audit data. See what you think of the answers I've come up with.

Office 365 Group Expiration Policy Auto-Renews Based on User Activity

by Tony Redmond

The original Office 365 Groups expiration policy was pretty good. It helps tenants keep control of potential group sprawl by removing old groups based on age. Now the policy takes user activity into account. While still not perfect, the new implementation makes the group expiration policy even easier to use because owners don't have to do anything to renew their groups if the groups remain in active use. You might debate the set of activities chosen by Microsoft to represent a good signal of group activity, but not the way the policy now works.

Emailing Owners About Obsolete Office 365 Groups and Teams

by Tony Redmond

In February, I published a script to report the activity in Office 365 Groups and Teams. It is natural that some of those groups will be obsolete, so here's another script to email the owners of those groups. I know the script works because I tested it against 200 groups, but it's rough and ready and deserves some TLC from people who really know PowerShell.

Email, Teams, and Expressing Reactions with Likes

by Tony Redmond

Microsoft introduced support for like reactions in OWA in 2015. Teams also supports likes, but it also supports other reactions to messages from sad to angry. Knowing how to use these reactions is a social minefield. On a serious notes, reactions are not currently stored in Teams compliance records in Exchange Online, which is a problem if people react to messages with likes.

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    The PowerShell Mess in the Microsoft Cloud

    with 1 Comment by Tony Redmond

    PowerShell is a great way of automating common administrative Office 365 operations. That is, if you know what module to use and how to use the cmdlets in that module. Unfortunately things are a bit of a mess with too many modules and inconsistent behavior in areas like error handling. With so many development groups working on Office 365, the PowerShell situation might be inevitable, but it needs cleaning up.

    Managing Office 365 Guest Accounts

    by Tony Redmond

    Many Office 365 applications (Teams, Groups, Planner, SharePoint, etc.) now support external guest access. you might end up with a lot of guests, and like any good accommodation, some management is needed. In this article, we look at how to manage the guests created by Office 365.

    Office 365 News and Views – June 2018

    by Tony Redmond

    Lots happens in a month within Office 365. I can't possibly write an article about every change in SharePoint, Teams, Exchange, etc. released by Microsoft,, so sometimes I need to publish a catch-up (or catch-up) post. Here are ten things that I think are interesting enough for you to know about.