CmdID

CmdID / PowerShell / Cmdlets / New

New-SearchDocumentFormat

Use the New-SearchDocumentFormat cmdlet to add a format-specific filter to those used by Exchange search. Exchange PowerShell reference

From the Exchange PowerShell reference 8 parameters Its page in the reference

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Parameters

8 in the Exchange PowerShell reference
-IdentityThe Identity parameter uniquely identifies the new search document format.
-ExtensionThe Extension parameter specifies the file type to be processed by the filter and is designated by the common file extension associated with the file type.
-MimeTypeThe MimeType parameter specifies the MIME type of the format.
-NameThe Name specifies a friendly name for the format, but does not need to be unique.
-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.
-EnabledThe Enabled parameter specifies whether the new format is enabled at creation.
-ServerThe Server parameter specifies the Exchange server where you want to run this command.
-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.