Remove-CalendarEvents

The CancelOrganizedMeetings switch specifies whether to cancel meetings in the mailbox. You don't need to specify a value with this switch.

To cancel meetings in the mailbox, you need to use this switch.

The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on if the cmdlet requires confirmation before proceeding.

• Destructive cmdlets (for example, Remove-* cmdlets) have a built-in pause that forces you to acknowledge the command before proceeding. For these cmdlets, you can skip the confirmation prompt by using this exact syntax: -Confirm:$false.
• Most other cmdlets (for example, New-* and Set-* cmdlets) don't have a built-in pause. For these cmdlets, specifying the Confirm switch without a value introduces a pause that forces you acknowledge the command before proceeding.

The Identity parameter specifies the mailbox that you want to modify. You can use any value that uniquely identifies the mailbox. For example:

• Name
• Alias
• Distinguished name (DN)
• Canonical DN
• Domain\Username
• Email address
• GUID
• LegacyExchangeDN
• SamAccountName
• User ID or user principal name (UPN)

The PreviewOnly switch specifies whether to preview the results of the command without actually cancelling any meetings. You don't need to specify a value with this switch.

You use this switch with the Verbose switch.

The QueryStartDate parameter specifies the start date to look for meetings that you want to cancel.

Use the short date format that's defined in the Regional Options settings on the computer where you're running the command. For example, if the computer is configured to use the short date format MM/dd/yyyy, enter 09/01/2018 to specify September 1, 2018. You can enter the date only, or you can enter the date and time of day. If you enter the date and time of day, enclose the value in quotation marks ("), for example, "09/01/2018 5:00 PM".

Note: If you don't use this parameter, today's date is used.

You use the QueryWindowInDays parameter to specify the end date.

The QueryWindowInDays parameter specifies the number of days after the QueryStartDate parameter value to look for meetings that you want to cancel.

If an instance of a recurring meeting occurs during the specified time period, the entire series is cancelled (not just the instances during the time period).

Note: The maximum window that's allowed for meeting cancellation is 1825 days (5 years).

This parameter is available only in the cloud-based service.

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The WhatIf switch simulates the actions of the command. You can use this switch to view the changes that would occur without actually applying those changes. You don't need to specify a value with this switch.