I am trying to create a PowerShell script/function that will iterate through all the Document libraries (and folders within them) to set a column value on every file on the SharePoint site.

The column is called Archive. It is a Yes/No Column. How do I set the column to No ($false in PowerShell, I believe)?

  • Was there a specific question? – Graham Oct 17 '18 at 19:37
  • Sorry, I should have added that I am looking for a way to do this – TomB1 Oct 18 '18 at 10:48

The following PowerShell script for your reference.

##Variables for Processing
$SiteUrl = "https://lz.sharepoint.com/sites/lz"
$Password ="****"

Add-Type -Path "c:\Program Files\Common Files\microsoft shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.dll" 
Add-Type -Path "c:\Program Files\Common Files\microsoft shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.Runtime.dll"

#Setup Credentials to connect
$Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($UserName,(ConvertTo-SecureString $Password -AsPlainText -Force))
#Setup the context
$Ctx = New-Object Microsoft.SharePoint.Client.ClientContext($SiteURL)
$Ctx.Credentials = $Credentials
$Web = $Ctx.web

#Get the List   
$List = $Ctx.Web.Lists.GetByTitle($libraryName)

#Get All List items
$ListItemsCAML = New-Object Microsoft.SharePoint.Client.CamlQuery
$ListItemsCAML.ViewXml = "<View Scope='RecursiveAll'></View>"
$ListItems = $List.GetItems($ListItemsCAML)

Write-host "Total Items Found:"$List.ItemCount
#Iterate through each item and update
Foreach ($ListItem in $ListItems)
    #Set New value for List column
    $ListItem["Archive"] = $false
Write-host "All Items in the Library: $libraryName Updated Successfully!" -ForegroundColor Green 
  • Thanks, does this look in folders though? – TomB1 Oct 18 '18 at 10:49
  • Yes, using "RecursiveAll" to get all items contains the folders and items in folders. – LZ_MSFT Oct 19 '18 at 1:10

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