Open Outlook
Click File
Click Options
Click Mail
Click Signatures
Select the signature you want to edit
Make your changes in the editor
Click Save or OK
Set the edited signature as default if needed
Close the settings window
Open Outlook
Click File
Click Options
Click Mail
Click Signatures
Select the signature you want to edit
Make your changes in the editor
Click Save or OK
Set the edited signature as default if needed
Close the settings window