Feb 15, 2026 · MailHitch Team
Email Signature Banner Size Guide (2026): Best Dimensions for Gmail and Outlook
Learn the best email signature banner size, width, height, file type, and layout tips so your banner looks great in Gmail and Outlook.
Posts and guides related to design.
Learn the best email signature banner size, width, height, file type, and layout tips so your banner looks great in Gmail and Outlook.