Outlook Signatures not working

[Niels Kok NL]

Dear,

We have Intune managed(Windows Autopilot) Windows 10(version 1903) laptop with Office 365 Pro Plus(64 Bit) installed. We only have one issue, we cant open the Signatures editor in Microsoft Outlook.


When we click this button:





Or this one:





The signature box won’t show.


I have tried the following:

• Install 32 bit Office 365 Pro Plus
• Change the update channel from Semi Annual to Monthly so that I would have the latest possible build of Office 365 Pro Plus
• Reinstalling Office 365 Pro Plus
• Removing Office 365 Pro Plus with Office scrub, reboot and reinstalling Office 365 Pro Plus
• Repairing Office 365 Pro Plus
• Repairing Office 365 Pro Plus, reboot and configure a new profile in Outlook
• Remove Internet Explorer Browsing History
• This user doesn’t have the Microsoft Office Desktop Apps installed
• 
  
  • Remove Registry keys associated with Microsoft Office Desktop Apps
  • Tried to edit Registry with the following keys:
    • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0006F03A-0000-0000-C000-000000000046}\LocalServer32
    • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{0006F03A-0000-0000-C000-000000000046}\LocalServer32
      • Changed both the Default value and the LocalServer32 value
  • Added to following Registry keys:
    • Windows Registry Editor Version 5.00
    • [HKEY_CLASSES_ROOT\Outlook.Application]
    • @="Microsoft Outlook 16.0 Object Library"
    • [HKEY_CLASSES_ROOT\Outlook.Application\CLSID]
    • @="{0006F03A-0000-0000-C000-000000000046}"
    • [HKEY_CLASSES_ROOT\Outlook.Application\CurVer]
    • @="Outlook.Application.16"
    • [HKEY_CLASSES_ROOT\Outlook.Application.16]
    • @="Microsoft Outlook 16.0 Object Library"
    • [HKEY_CLASSES_ROOT\Outlook.Application.16\CLSID]
    • @="{0006F03A-0000-0000-C000-000000000046}"
    • [HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{0006F03A-0000-0000-C000-000000000046}]
    • [HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{0006F03A-0000-0000-C000-000000000046}\InprocServer32]
    • "Assembly"="Microsoft.Office.Interop.Outlook, Version=16.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C"
    • "Class"="Microsoft.Office.Interop.Outlook.ApplicationClass"
    • "RuntimeVersion"="v2.0.50727"
    • [HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{0006F03A-0000-0000-C000-000000000046}\InprocServer32\16.0.0.0]
    • "Assembly"="Microsoft.Office.Interop.Outlook, Version=16.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C"
    • "Class"="Microsoft.Office.Interop.Outlook.ApplicationClass"
    • "RuntimeVersion"="v2.0.50727"
    • [HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{0006F03A-0000-0000-C000-000000000046}\LocalServer32]
    • @="C:\\Program Files\\Microsoft Office\\Office16\\OUTLOOK.EXE"
    • [HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{0006F03A-0000-0000-C000-000000000046}\ProgID]
    • @="Outlook.Application.16"
    • [HKEY_CLASSES_ROOT\Wow6432Node\CLSID\{0006F03A-0000-0000-C000-000000000046}\Typelib]
    • @="{00062FFF-0000-0000-C000-000000000046}"
  • I have tried removing registry keys that were associated with the Microsoft Office Desktop Apps.
• I have tried disabling and enabling the signature feature via the registry

None of the above worked, could you please advise?

Note: Autopilot reset is not an option. I would like to know what caused the issue not just simply reinstall the machine. The issue is that I have to enroll 500 machines and if 50 have this problem I would have to reinstall them all. My client won't accept this.

Thanks in advance!

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