Create SharePoint Folder Structure in Destination (Only If Not Exists)

Why This Script Is Safe

• You can run it multiple times

• It will not create duplicate folders

• It will only create missing folders

• Safe for automation

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# CONFIGURATION

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# Azure AD App Registration details

$ApplicationClientId     = "Client id"

$ApplicationClientSecret = "Client Secret"

$TenantId                = "Tenant ID"

 

# SharePoint Sites

$SourceSiteUrl      = "https://sourcesite.com/sites/site1"

$DestinationSiteUrl = "https://destination.com/sites/site2"

 

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# SOURCE FOLDER URLS (Full URLs from Source Site)

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$SourceFolderUrls = @(

    "https://sourcesite.com/Shared Documents/folder3/subfolder3.1",

    "https://sourcesite.com/Shared Documents/folder4/subfolder4.1"

)

 

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# CONNECT TO DESTINATION SITE (Only once)

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Connect-PnPOnline `

    -Url $DestinationSiteUrl `

    -ClientId $ApplicationClientId `

    -ClientSecret $ApplicationClientSecret `

    -Tenant $TenantId `

    -WarningAction Ignore

 

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# PROCESS EACH FOLDER

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foreach ($FullFolderUrl in $SourceFolderUrls) {

    Write-Host "Processing: $FullFolderUrl" -ForegroundColor Cyan

 

    # Convert URL to URI object

    $Uri = [System.Uri]$FullFolderUrl

 

    # Get server-relative path

    # Example: /Shared Documents/folder3/subfolder3.1

    $ServerRelativePath = $Uri.AbsolutePath

 

    # Remove site name to get site-relative path

    # Example result: Shared Documents/folder3/subfolder3.1

    $SiteRelativePath = $ServerRelativePath.Replace(

        "/" + $Uri.AbsolutePath.Split('/')[1] + "/" + $Uri.AbsolutePath.Split('/')[2] + "/",

        ""

    )

 

    ############################################################

    # IMPORTANT:

    # This command CREATES the folder ONLY IF IT DOES NOT EXIST

    # If folder already exists → nothing happens

    # If folder does not exist → it gets created

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    Resolve-PnPFolder -SiteRelativePath $SiteRelativePath

    Write-Host "Folder ensured (created if missing): $SiteRelativePath" -ForegroundColor Green

}

 

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# COMPLETED

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Write-Host "Folder structure creation completed successfully." -ForegroundColor Yellow