Header Parameter (Connect-Excel Cmdlet)
Indicates whether the first row should be used as a column header.
Syntax
Connect-Excel -Header string
Data Type
cstr
Default Value
"true"
Remarks
If true, the first row will be used as a column header. Otherwise, the pseudo column names A, B, C, etc. will be used.
If you want to exclude any sheets from this rule you can set: Header=True, Sheet1= False (means headers are true for all sheets except Sheet1)