Category: Microsoft 365

Cat Links Exchange Online, Microsoft 365, PowerShell, Uncategorized

All you need to know about Exchange Online Admin API (or how to run cmdlets without PowerShell)

Posted on Vasil Michev

In this article, we try to summarize all the information you’d need in order to work with the Exchange Online Admin API. We cover the prerequisites, authentication, how to use any of the built-in cmdlets, as well as many “hidden gems”. The details you’ll find in this article enable you to perform almost all Exchange Online related operations without the need to even touch PowerShell. Keep in mind that anything we discuss here is not supported and in most cases, not even documented, so use at your own risk! …

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Cat Links Exchange Online, Microsoft 365, Office 365

Quick look at the new Exchange Admin API additions

Posted on Vasil Michev

Microsoft has been telling us for years that it plans to deprecate the EWS API, yet has been very slow in addressing the gaps such deprecation would leave with the Graph API. With the October 2026 deadline approaching, we are finally seeing efforts to bridge said gaps, one of which …

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Cat Links Entra ID, Graph API, Microsoft 365, PowerShell

Free tool to manage directory settings in Entra ID

Posted on Vasil Michev

Microsoft still does not provide a GUI to manage Directory settings in Entra ID/Microsoft 365. If you are sick and tired of having to deal with the crappy syntax used in the Graph SDK for PowerShell cmdlets for working with directory settings and their corresponding template objects, this tool is for you. It is a simple windows forms-based UI that allows you to view, add, update and remove setting objects, including those associated with Microsoft 365 Groups. Some other quality of life improvements are also implemented, read the article for all details! …

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Cat Links Exchange Online, Microsoft 365, Office 365

PowerShell cmdlets to add or remove resource delegates in bulk

Posted on Vasil Michev

A while back, I noticed that Exchange Online’s Set-CalendarProcessing cmdlet no longer performs any validation for some of its parameters, and diligently issued a PSA about it. While Microsoft is looking at the issue (and will hopefully address it), an idea came to mind – provide a better cmdlet that …

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Cat Links Entra ID, Graph API, Microsoft 365

Last used data for authentication methods is now available on the Graph

Posted on Vasil Michev

The lastUsedDateTime property has been added to the authenticationMethods Graph API resource. While not all of the available methods seem to populate data for it just yet, it is still a useful addition and one that can enrich your reports with much needed detail. So tag along if you want to check out some examples on how to query lastUsedDateTime via the Graph API or the Graph SDK for PowerShell. …

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