1, open the outlook option and find the signature item in the mail option. 2. Open the Signature and Stationery dialog box. Create new signature items, such as contact information. 3. Edit the signature. Edit the information to be displayed. In order to distinguish it from the email body, the font size and color of the signature text can be adjusted appropriately. 4. In order to keep a proper distance from the text when writing an email, you can leave a few blank lines on the contact information. 5. If there are multiple accounts in outlook, you need to select an email account with a default signature.