diff --git a/src/Commands/Microsoft365Groups/NewMicrosoft365Group.cs b/src/Commands/Microsoft365Groups/NewMicrosoft365Group.cs
index b120f4984..e21a49149 100644
--- a/src/Commands/Microsoft365Groups/NewMicrosoft365Group.cs
+++ b/src/Commands/Microsoft365Groups/NewMicrosoft365Group.cs
@@ -1,12 +1,17 @@
 using Microsoft.SharePoint.Client;
+
 using PnP.PowerShell.Commands.Attributes;
 using PnP.PowerShell.Commands.Base;
 using PnP.PowerShell.Commands.Enums;
 using PnP.PowerShell.Commands.Model;
 using PnP.PowerShell.Commands.Utilities;
+
 using System;
+using System.Collections;
 using System.Collections.Generic;
+using System.Linq;
 using System.Management.Automation;
+using System.Management.Automation.Language;
 
 namespace PnP.PowerShell.Commands.Microsoft365Groups
 {
@@ -23,12 +28,22 @@ public class NewPnPMicrosoft365Group : PnPGraphCmdlet
         [Parameter(Mandatory = true)]
         public String MailNickname;
 
+        [Parameter(Mandatory = false)]
+        public bool MailEnabled = true;
+
         [Parameter(Mandatory = false)]
         public String[] Owners;
 
         [Parameter(Mandatory = false)]
         public String[] Members;
 
+        [Parameter(Mandatory = false)]
+        [ArgumentCompleter(typeof(EnumAsStringArgumentCompleter<Framework.Enums.Office365Geography>))]
+        public string PreferredDataLocation;
+
+        [Parameter(Mandatory = false)]
+        public string PreferredLanguage;
+
         [Parameter(Mandatory = false)]
         public SwitchParameter IsPrivate;
 
@@ -49,11 +64,15 @@ public class NewPnPMicrosoft365Group : PnPGraphCmdlet
         public SwitchParameter Force;
 
         [Parameter(Mandatory = false)]
+        [ArgumentCompleter(typeof(EnumAsStringArgumentCompleter<TeamResourceBehaviorOptions>))]
         public TeamResourceBehaviorOptions?[] ResourceBehaviorOptions;
 
         [Parameter(Mandatory = false)]
         public Guid[] SensitivityLabels;
 
+        [Parameter(Mandatory = false)]
+        public SwitchParameter SecurityEnabled;
+
         protected override void ExecuteCmdlet()
         {
             if (MailNickname.Contains(" "))
@@ -91,9 +110,11 @@ protected override void ExecuteCmdlet()
                     Description = Description,
                     MailNickname = MailNickname,
                     Visibility = IsPrivate ? "Private" : "Public",
-                    MailEnabled = true,
-                    SecurityEnabled = false,
-                    GroupTypes = new string[] { "Unified" }
+                    MailEnabled = MailEnabled,
+                    SecurityEnabled = SecurityEnabled,
+                    GroupTypes = new string[] { "Unified" },
+                    PreferredDataLocation = PreferredDataLocation,
+                    PreferredLanguage = PreferredLanguage,
                 };
 
                 if (ResourceBehaviorOptions != null && ResourceBehaviorOptions.Length > 0)
@@ -123,7 +144,7 @@ protected override void ExecuteCmdlet()
                     else
                     {
                         WriteWarning("Adding sensitivity labels in App-only context is not supported by Graph API, so it will be skipped in Group creation");
-                    }                    
+                    }
                 }
 
                 var group = Microsoft365GroupsUtility.CreateAsync(Connection, AccessToken, newGroup, CreateTeam, LogoPath, Owners, Members, HideFromAddressLists, HideFromOutlookClients, Labels).GetAwaiter().GetResult();
diff --git a/src/Commands/Utilities/EnumAsStringArgumentCompleter.cs b/src/Commands/Utilities/EnumAsStringArgumentCompleter.cs
new file mode 100644
index 000000000..3c456edde
--- /dev/null
+++ b/src/Commands/Utilities/EnumAsStringArgumentCompleter.cs
@@ -0,0 +1,26 @@
+using PnP.PowerShell.Commands.Utilities;
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Management.Automation;
+using System.Management.Automation.Language;
+
+namespace PnP.PowerShell.Commands.Utilities
+{
+    /// <summary>
+    /// Allow argument completion of enums without prohibiting undefined values. 
+    /// ie. to allow for future extension
+    /// </summary>
+    /// <typeparam name="TEnum"></typeparam>
+    internal sealed class EnumAsStringArgumentCompleter<TEnum> : IArgumentCompleter where TEnum : struct, Enum
+    {
+        public IEnumerable<CompletionResult> CompleteArgument(string commandName, string parameterName, string wordToComplete, CommandAst commandAst, IDictionary fakeBoundParameters)
+        {
+            return Enum.GetNames(typeof(TEnum))
+                .Where(x => x.StartsWith(wordToComplete, StringComparison.OrdinalIgnoreCase))
+                .Select(x => new CompletionResult(x, x, CompletionResultType.ParameterValue, x));
+        }
+    }
+}
\ No newline at end of file