How to Delete a Signature in Outlook. Signatures are a great way to add your personal information to an email in a matter of seconds. You may find that you have a signature that you would like to delete, because you no longer need the signature. This is a very easy process that can be done in a few short steps. Keep reading to find out how to delete a signature in Microsoft Outlook.
Start Microsoft Outlook 2007, choose the "Tools" menu and click "Options" to open the "Options" dialog box.
Choose the "Mail Format" tab at the top of the "Options" dialog box to display the mail formatting options for Microsoft Outlook.
Use the "Signatures" button in the "Signatures" section of the "Options" dialog box. The "Signatures and Stationery" dialog box will open onto the screen.
Select the signature you want to delete from the "Select signature to edit" box. The signature will be highlighted in a dark gray once it is selected.
Click the "Delete" button beneath the "Select signature to edit" box. A dialog box will open asking you to confirm if you want to delete the selected signature.
Opt for "Yes" to delete the chosen Outlook signature. The confirmation dialog box will close at this point.
Close both the "Signatures and Stationery" and the "Options" dialog boxes by clicking "OK" twice.
If you delete a Microsoft Outlook 2007 signature and decide you want it back, you will have to recreate the signature.