update

SharePoint Online/Set-SpoLanguage.ps1

@@ -0,0 +1,37 @@
+#Load SharePoint CSOM Assemblies
+Add-Type -Path CProgram FilesCommon FilesMicrosoft SharedWeb Server Extensions16ISAPIMicrosoft.SharePoint.Client.dll
+Add-Type -Path CProgram FilesCommon FilesMicrosoft SharedWeb Server Extensions16ISAPIMicrosoft.SharePoint.Client.Runtime.dll
+  
+#function to change Locale in regional settings of a SharePoint Online site
+Function Set-SPOLocale([String]$SiteURL, [String]$LocaleID, [PSCredential]$Cred) { 
+    Try {
+        #Set up the context
+        $Ctx = New-Object Microsoft.SharePoint.Client.ClientContext($SiteURL)
+        $Ctx.Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($Cred.Username, $Cred.Password)
+    
+        #Get Regional Settings of the Web
+        $Web = $Ctx.Web
+        $Ctx.Load($web)
+        $Ctx.Load($Web.RegionalSettings)
+        $ctx.ExecuteQuery()
+  
+        #Update the LocaleID of the site
+        $Web.RegionalSettings.LocaleId = $LocaleID
+        $Web.Update()
+        $Ctx.ExecuteQuery()
+  
+        Write-host -f Green Locale has been updated for $Web.Url
+  
+        #Get all subsites of the web
+        $Ctx.Load($Web.Webs)
+        $Ctx.executeQuery() 
+        #Iterate through each subsites and call the function recursively
+        Foreach ($Subweb in $Web.Webs) {
+            #Call the function to set Locale for the web
+            Set-SPOLocale -SiteURL $Subweb.URL -LocaleID $LocaleID -Cred $Cred
+        }
+    }
+    Catch [System.Exception] {
+        Write-Host -f Red Error$_.Exception.Message
+    }
+}