Outlook REST API
This collection of PowerShell scripts authenticates with your Exchange Online / Office 365 / Hotmail.com / Live.com / MSN.com / Outlook.com / Passport.com account and executes different tasks on the account. Authentication and authorization is made with OAuth 2.0 mechanism and scripts don't need your account password.
Scripts
Delete-AllContacts deletes all the contacts in the folder that the user selects from the listed contacts folders. To install this script from Powershell Gallery and run it:
Install-Script -Name Delete-AllContacts -Force ; Delete-AllContacts.ps1
Delete-AllEvents deletes all the events in the calendar that the user selects from the listed calendar.
. To install this script from Powershell Gallery and run it:
Install-Script -Name Delete-AllEvents -Force ; Delete-AllEvents.ps1