Add the image once in your signature settings, rather than attaching it to every email. Email apps may resize images; the banner is designed to display at about 600 × 200 px.
- Download your email signature PNG.
- In Gmail, click the gear icon, then See all settings.
- On the General tab, scroll to Signature and click Create new (or edit your current signature).
- Click the Insert image icon in the signature toolbar, open the Upload tab and select your PNG.
- Under Signature defaults, choose it for new emails and replies, then click Save Changes at the bottom of the page.
If the banner looks too large, click it in the signature editor and choose a smaller size.
- Download your email signature PNG.
- In new Outlook or Outlook on the web, open Settings, then Accounts › Signatures.
- Click New signature and give it a name.
- Click the Insert picture icon in the editor and select your PNG.
- Set it as the default for new messages and replies, then click Save.
Classic Outlook for Windows: File › Options › Mail › Signatures, then use the picture icon to insert the PNG.
