The script gets Calendar permissions report within your Exchange organization. It also can get a report from Office 365.

Mandatory parameter. Select between Exchange Versions. It can be 2010, 2013-2016 or O365.

Optional parameter. Exports the results to file.

Gets calendar permissions report for Exchange 2010 and exports the results to FileName.csv file.

.\Get-CalendarPermissionsReport.ps1 -Version 2010 -File FileName.csv

Gets calendar permissions report for Exchange 2013 or 2016 and exports the results to FileName.csv file.

.\Get-CalendarPermissionsReport.ps1 -Version 2013-2016 -File FileName.csv

Gets calendar permissions report for Exchange Online and exports the results to FileName.csv file. It will ask an Office 365 admin credentials.

 .\Get-CalendarPermissionsReport.ps1 -Version O365 -File FileName.csv

Connects to Exchange Online and prints calendar permissions to console.

.\Get-CalendarPermissionsReport.ps1 -Version O365