Running Exchange Online Historical Message Traces for Sets of Mailboxes

A question was asked about the best way to find out if shared mailboxes received email from certain domains over the past 60 days. Exchange Online historical message traces can extract trace data to allow us to check, but the process of running the message trace and then analyzing the data is just a little disconnected.

Detecting Exchange Online Shared Mailboxes That Need Licenses

Exchange Online shared mailboxes only need licenses if they have an archive, exceed 50 GB in size, or are on litigation hold. The rules are there, but how many tenants check their shared mailboxes to make sure that they’re in compliance. This article explains how to use PowerShell to detect shared mailboxes that need licenses.

Comparing Shared and Inactive Mailboxes

Exchange Online tenants have a choice between inactive mailboxes and shared mailboxes when the need arises to keep “leaver” data like that belonging to ex-employees. Inactive mailboxes are essentially a compliance tool and sometimes shared mailboxes are better choices. We explore both in this short article.

How Microsoft Deploys New Outlook Mobile Features

Deploying new features to a massive 100-million plus user community takes a lot of planning and careful management. Outlook Mobile caters for both consumer and commercial users, and different methods are used to deliver new features to the two groups. Sometimes this means that different users in the same tenant can’t access a new feature even if they have the right software.

Shared Mailbox and Dark Mode Support in Outlook Mobile

Outlook mobile users now have shared mailbox support in both iOS and Android platforms. The work to upgrade the backend service is also progressing and is past 50% rollout. And dark mode is coming too. It’s available in beta today to Testflight users (only for iOS), and it’s also been enabled for some users who run the latest version of the clients.

How to Set Auto-Replies for Shared Mailboxes with PowerShell

A question about how best to set auto-replies for Exchange Online shared mailboxes to respond to messages arriving during a public holiday gives another chance for PowerShell to show how useful it is. You could do the work with Flow, but PowerShell is more flexible and capable when dealing with multiple shared mailboxes.

How to Add Shared Mailboxes to Outlook Mobile

Microsoft has announced that it will deploy the ability to add shared mailboxes to Outlook Mobile by the end of July. But if you want to see the feature early, you can join the Testflight program and install the beta version of Outlook mobile. Using Outlook for iOS with Testflight also forces the upgrade of your Office 365 tenant to the Microsoft Sync Technology.

Shared Mailbox Support Soon for Outlook Mobile

Microsoft has announced that Outlook Mobile (iOS and Android) will include support for Exchange Online shared mailboxes “in the next several weeks,” which probably means early July 2019. The update comes as good news for many people who have been forced to use an IMAP4-based workaround to access shared mailboxes. Microsoft is also making some other changes to improve the Files view and calendar sync in Outlook mobile.