From Outlook, select the "File" tab from the top left.
Select "Options" from the bottom left.
Select "Mail" (1.) and then "Signatures" (2.)
To create a new signature, select "New"
Once you have finished entering your details into the text field, ensure you select "Save" (1.)
To set your default signature, you can use the bottom two drop-down tabs (2.)
Now when you are composing a new email, you can select "Signature" from the top taskbar and choose which signature you would like to use
