Category: Microsoft 365

Cat Links Exchange Online, Graph API, Microsoft 365, PowerShell

Convert mailbox folder identifiers non-interactively

Posted on Vasil Michev

In a previous article, we discussed how to convert Exchange folderIds (as returned by the Get-MailboxFolderStatistics cmdlet) to the RestId identifiers employed by the Graph API. Here, we present a version of the script that can run non-interactively and has no PowerShell module dependencies. In addition, we present a purely Graph-based version to generate mailbox folder identifiers without any Exchange methods/cmdlets.
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Cat Links Exchange Online, Microsoft 365, Office 365, PowerShell

Primer: Use Invoke-ChangeMeetingOrganizer to bulk change meeting organizer in Exchange Online

Posted on Vasil Michev

In a previous article, we covered how the newly introduced Invoke-ChangeMeetingOrganizer cmdlet can be used to change a meeting’s organizer in Exchange Online. While the cmdlet does handle recurring meetings, it can only update one (master) meeting at a time, making the realistic “transfer all meetings from user X” scenario …

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Cat Links Exchange Online, Microsoft 365, Office 365

PSA: Duplicate Dynamic Distribution Group detection in Exchange Online

Posted on Vasil Michev

This one will probably be of value to few Microsoft 365 tenants only, but it is on my to do list, so here goes. In June 2026, the MC1420903 message center post informed us about upcoming changes to Dynamic Distribution Group (DDGs) provisioning in Exchange Online. The changes aim to …

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Cat Links Entra ID, Graph API, Microsoft 365

Quick look at the sponsorOf property in the Graph API

Posted on Vasil Michev

In this article, we take a quick look at the recently introduced sponsorOf property/relationship for Graph API user objects. We examine how to leverage the property, provide few Graph query examples, and even correct some of the inconsistencies from the official documentation. As the sponsorOf property is only available in beta (preview) currently, things can change in the future, so exercise some caution when working with it. …

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Cat Links Entra ID, Graph API, Microsoft 365

Working with the group insights (analytics) Graph API

Posted on Vasil Michev

Microsoft introduced (Entra ID) Group insights in the beginning of the year. Still in public preview, the feature provides “at a glance” dashboard to highlight some common scenarios, as well as more detailed views in each supported category. While there is nothing revolutionary in it, and it does not address …

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