With Outlook 2016 most shared mailboxes will automatically be added to your outlook client. If the mailbox has been around for awhile it needs a little bit of help. This is the guide I send to users to add or remove a shared mailbox.
How to connect to Exchange Online using MFA using CreateExoPSSession. Setting to run independently of AppData and with it adding a prefix to the commands.
This is my journey as an Operations guy getting this blog from rank 'C' to 'A' on https://securityheaders.com
A guide on clearing the user cache from the Microsoft store. This fixes an issue that users are unable to download applications without a Microsoft Account
A documation post about how to remove userprofiles with PowerShell