Password-Protect an Excel Spreadsheet

Adds a password (%reTG54w) to a Microsoft Excel spreadsheet.

PowerShell

$comments = @' 
Script name: Set-ExcelPassword.ps1 
Created on: Friday, June 29, 2007 
Author: Kent Finkle 
Purpose: How can I use Windows Powershell to 
Password-Protect an Excel Spreadsheet? 
'@ 
#----------------------------------------------------- 
function Release-Ref ($ref) { 
([System.Runtime.InteropServices.Marshal]::ReleaseComObject( 
[System.__ComObject]$ref) -gt 0) 
[System.GC]::Collect() 
[System.GC]::WaitForPendingFinalizers()  
} 
#----------------------------------------------------- 
$xlNormal = -4143 
  
$xl = new-object -comobject excel.application 
$xl.Visible = $True 
$xl.DisplayAlerts = $False 
  
$wb = $xl.Workbooks.Add() 
 
$ws = $wb.Worksheets.Item(1) 
$ws.Cells.Item(1, 1).Value() = get-date 
 
$a = $wb.SaveAs("C:\Scripts\Test.xls",$xlNormal,"%reTG54w") 
$a = $xl.Quit() 
  
$a = Release-Ref($ws) 
$a = Release-Ref($wb) 
$a = Release-Ref($xl) 

Verified on the following platforms

 

Windows Server 2008 R2	No
Windows Server 2008	No
Windows Server 2003	No
Windows 7	No
Windows Vista	No
Windows XP	No
Windows 2000	No

This script is tested on these platforms by the author. It is likely to work on other platforms as well. If you try it and find that it works on another platform, please add a note to the script discussion to let others know.

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