Solved Is It Possible To Remove "Try The New Outlook' Slider Button In The Mail App ?

Davy49 said:

Thanks so much for all of your replies, I'm so grateful for the existence of these forums and how members are seemingly always ready to help others. Thank You

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James said:

I try to help, even if it is not guaranteed to work, it is more than no help!

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dbartenstein said:

I've sh*tcanned "New Outlook" on both my personal and work machines. For work, it dumbs things down too much for the sake of having a pretty, browser-like app. I'll be very sad if they deprecate the current Outlook client.

For my personal machine, I use Gmail for my primary email address and the New Outlook client configures that very nicely, but does NOT synchronize well with the Gmail servers at all. And yes, I've very carefully checked my Gmail IMAP settings thankyouverramuch.

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James said:

... it feels like they just inserted the online outlook into a window

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James said:

After trying it myself i can say it feels like they just inserted the online outlook into a window - as it does with the free included 'Office' app, it is rubbish.

Also, there is this: Turn On or Off Try the new Outlook app in Windows 10 and Windows 11 Tutorial

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hdmi said:

The slider itself can't be removed AFAIK, but recently it also began to show a big animated ad directly below the slider, and, although it is possible to close this ad, it automatically comes back each time as soon as the Mail app is started again after the Mail app is closed. So, I wrote a simple launcher that opens the Mail app and closes the ad.

MailApp.cs

Code:

using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Windows.Automation;
using System.Windows.Forms;

class Program
{
  [DllImport("user32.dll")]
  private static extern void keybd_event(byte bVk, byte bScan, int dwFlags, int dwExtraInfo);

  private const int KEYEVENTF_EXTENDEDKEY = 1;
  private const int KEYEVENTF_KEYUP = 2;

  public static void KeyDown(Keys vKey)
  {
    keybd_event((byte)vKey, 0, KEYEVENTF_EXTENDEDKEY, 0);
  }

  public static void KeyUp(Keys vKey)
  {
    keybd_event((byte)vKey, 0, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
  }

  private static void OnWindowOpened(object sender, AutomationEventArgs automationEventArgs)
  {
    try
    {
      var element = sender as AutomationElement;
      if (element != null && Process.GetProcessById(element.Current.ProcessId).MainModule.FileName ==
            Environment.GetFolderPath(Environment.SpecialFolder.System)+"\\ApplicationFrameHost.exe")
      {
        System.Threading.Thread.Sleep(1500);
        KeyDown(Keys.F3);
        KeyUp(Keys.F3);
        System.Threading.Thread.Sleep(200);
        KeyDown(Keys.LShiftKey);
        KeyDown(Keys.Tab);
        KeyUp(Keys.Tab);
        KeyUp(Keys.LShiftKey);
        KeyDown(Keys.Space);
        KeyUp(Keys.Space);
        KeyDown(Keys.Escape);
        KeyUp(Keys.Escape);
        KeyDown(Keys.LControlKey);
        KeyDown(Keys.LShiftKey);
        KeyDown(Keys.O);
        KeyUp(Keys.LControlKey);
        KeyUp(Keys.LShiftKey);
        System.Threading.Thread.Sleep(200);
        KeyDown(Keys.LControlKey);
        KeyDown(Keys.LShiftKey);
        KeyDown(Keys.I);
        KeyUp(Keys.LControlKey);
        KeyUp(Keys.LShiftKey);
      }
    }
    catch (ElementNotAvailableException)
    {
    }
  }

  static void Main(string[] args)
  {
    System.Windows.Automation.Automation.AddAutomationEventHandler(
      eventId: WindowPattern.WindowOpenedEvent,
      element: AutomationElement.RootElement,
      scope: TreeScope.Children,
      eventHandler: OnWindowOpened);

    Process.Start("outlookmail:");
    System.Threading.Thread.Sleep(2500);
    Automation.RemoveAllEventHandlers();
  }
}

Build MailApp.bat

Batch:

@ECHO OFF
FOR /F "tokens=* USEBACKQ" %%F IN (`REG QUERY "HKLM\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full" /v InstallPath`) DO SET InstallPath=%%F
SET InstallPath=%InstallPath:*REG_SZ =%
FOR /F "tokens=* Eol= " %%F IN ("%InstallPath%") DO SET "InstallPath=%%F"
IF EXIST "%InstallPath%csc.exe" (ECHO ON) ELSE (ECHO ERROR - Missing csc.exe & GOTO end)
"%InstallPath%csc.exe" /out:"%~dp0\MailApp.exe" /target:winexe "%~dp0\MailApp.cs" /lib:%InstallPath%WPF /r:UIAutomationTypes.dll,UIAutomationClient.dll
:end
@ECHO Press any key to close this command window . . . & PAUSE >NUL

Run the batchfile to create a file MailApp.exe and run that to start the Mail app so the ad will be automatically closed after the app opens.

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BrianInEngland said:

I'm guessing ads are only for users that don't use Office 365 services? I have the Family pack subscription and never see any ads

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Helmut said:

The toggle has been present for at least 6 months, also in the associated People App. That in itself is not the problem.

The problem now after intentionally installing it to try, then uninstalling the Beta product.
Now New Outlook (Beta) persistently installs itself, on both of my Windows 10/11 machines, maybe 5 times on each occasion errors being sent to MS then uninstalling.

Being a user of the Mail App for 8 years obviously that is a very annoying time waster.

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del %LOCALAPPDATA%\Packages\microsoft.windowscommunicationsapps_8wekyb3d8bbwe\LocalState\Migration\settings.json

hdmi said:

The slider itself can't be removed AFAIK

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Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Options\General]
"HideNewOutlookToggle"=dword:00000001

[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Preferences]
"UseNewOutlook"=dword:00000001

dacrone said:

Code:

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Options\General]
"HideNewOutlookToggle"=dword:00000001

[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Preferences]
"UseNewOutlook"=dword:00000001

Sure can.

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