Email Signature Guides
Step-by-step guides for adding, editing, and designing email signatures across Gmail, Outlook, and mobile. Covers technical specifications, professional sign-offs, and tool comparisons.
Outlook
Setting up and managing signatures in Microsoft Outlook — all versions.
How to Add an Email Signature in Outlook
Windows, Mac, OWA, and mobile. Covers default assignment and HTML requirements.
How to Edit Email Signature in Outlook
Find the signature editor, make changes, and save correctly across all platforms.
How to Change Email Signature in Outlook
Switch between signatures and update defaults per email account.
How to Update Email Signature in Outlook
After a job change, rebrand, or promotion — with checklist of what to update.
How to Set Up Email Signature in Outlook
Full setup from scratch: HTML mode, signature creation, per-account defaults.
Email Signature Not Showing in Outlook
Fix missing signatures on replies, blank images, plain text mode, and admin overrides.
Gmail
Creating and configuring signatures in Gmail on desktop and mobile.
Mobile
Email signature setup on iOS and Android devices.
Design
Technical specifications for fonts, images, and logos in email signatures.
Best Font for Email Signature
Web-safe fonts only — why Google Fonts fail and exact size recommendations.
Email Signature Image Size Guide
Pixel dimensions, file size limits, Outlook DPI fix, and hosting requirements.
Email Signature Logo Size Guide
Logo dimensions, PNG vs SVG, retina technique, and Outlook DPI scaling fix.
Email Signature Image Not Showing
Fix broken logos and missing headshots: base64 issues, hosting problems, Outlook DPI bugs.
Communication
How to sign off professional emails — formal, professional, and casual options.
Alternatives & Comparisons
Email signature generator tool reviews and comparisons.