Tag Archives: get-mailbox

Office 365 PowerShell: How to bulk change Office 365 calendar permissions using Windows PowerShell

office365 powershell

I recently had to make some bulk changes to calendar permissions in Office 365, the client wanted the Default user permission to be set to Reviewer rather than AvailabilityOnly. So in this post I’ll walk you through how I went about making bulk permission changes to the Default user for the calendar folder for all users in Office 365.

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Office365 PowerShell: How to the find out mailbox sizes in Office365 (and Exchange 2016) using PowerShell

office365 powershell

In this post I’ll look at how to find out the mailbox sizes in Office365 using PowerShell.

I’m working with a few more companies now who use Office365 so I thought I would look at how to perform a few general Exchange administration tasks in Office365 using PowerShell so that I can manage and maintain them more easily.

Note: the steps below also work for Exchange 2016.

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Exchange PowerShell: How to find users hidden from the Global Address List

Exchange PowerShell

Over the course of the next few weeks I’m going to look at using PowerShell for some fairly routine Microsoft Exchange and Active Directory tasks that I get asked to perform.

The aim is that by the end of the articles we have a series of PowerShell commands that can be built into a script to easily perform a brief audit of some common Exchange and Active Directory properties I get asked about.

I was recently asked by a customer to confirm all the mailboxes that are currently hidden from the Exchange Global Address List. Continue reading