Set Up Signatures in Office 365
It’s very easy to set up signatures in Office 365. Here’s how you do it!
Go into Outlook, and select the File tab as shown below:
On the left hand side of the screen select Options.
That will bring up this screen. Select Mail, and then look for a button called Signatures… and click on it.
That will bring up this screen. Under Email Signature, select the button “New” or Alt & N. It will ask you what you want to call the new signature.
Give you signature a name and click the OK button.
I’ve named mine, Test. Choose your default signature E-mail account, whether or not you want it on new messages or replies and forwards. Then edit the signature at the bottom. When you are done, go under Select Signature to edit and click Save. Then when you’ve saved it. Click the OK button at the bottom and you are set!