Open Outlook
Click File
Select Options
Click Mail
Click Signatures
Select the signature you want to update
Edit the signature text, formatting, or image
Click Save
Click OK
Close and reopen Outlook if needed to apply the changes
Open Outlook
Click File
Select Options
Click Mail
Click Signatures
Select the signature you want to update
Edit the signature text, formatting, or image
Click Save
Click OK
Close and reopen Outlook if needed to apply the changes