The only "workaround" I have found is to remove the registry values after Outlook is opened at least
Outlook 365 signature upgrade#
forcing them to upgrade to 2013/2016 just to change the signature occasionally is not a viable option. The program sets the New/Reply Signature values in the registry.Įverything works beautifully except that users on Outlook 2010 and earlier have the signatures button greyed out while Outlook 2013 & 2016 users still have the option to change the signature on a per message basis. I built a small program that automatically generates the signature (GP just didn't have the options I needed), I used a GPO to run the exe at user login. This is the path where registry key is stored: A good explanation here Setting up a Corporate Signature (source Note: If registry key First-Run is deleted, after Outlook has been started, then it is being added back again and the NewSignature and ReplySignature values are automatically being removed, and users are able to change That isn't true because, as written above, if both registry keys NewSignatureĪnd ReplySignature are set the option are grayed out and users cannot change signature from Outlook. However, users are still able to manually edit or remove these default signatures." By using these steps, the specified signature will automatically appear in new e-mail messages (and optionally, replies to e-mail messages). How to deploy a default email signature in Outlook is little bit different ( below point 6): The path where they are is this: HKCU\Software\Microsoft\Office\\Common\MailSettings A good explanation hereĭisable End-User's Ability to Add, Edit, & Remove Outlook Signatures. Now, If you don't want users be able to change their signature from Outlook (options grayed out), it's necessary to set registry keys Outlook 2007, 2010 HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\\9375CFF0413111d3B88A00104B2A6676\ The registry path depends on Outlook version: A good explanation hereĬonfiguring Outlook for the signatures within the users registry. New Signature and Reply-Forward Signature (REG_BINARY) respectively. When a user create and then set signature for new messages and replies, the information are stored by Outlook under registry keys I'd like to understand once for all and share with you what I learned during my tests about Outlook signatures and registry settings.