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How to Set Up Gmail Signature: Complete 2026 Guide

February 5, 2026 8 min read
Emily Nakamura

Emily Nakamura

Marketing Director at Siggly

Gmail interface on laptop screen

Setting up a Gmail signature takes just a few minutes, but doing it right can make a lasting impression on everyone you email. This guide walks you through creating a professional Gmail signature that works on desktop and mobile.

Step 1: Access Gmail Settings

Open Gmail and click the gear icon in the top right corner. Select "See all settings" from the dropdown menu. You'll land on the General tab, which is exactly where you need to be.

Step 2: Find the Signature Section

Scroll down until you see the "Signature" section. If you've never created a signature before, you'll see a simple text box. Click "Create new" to start building your first signature.

Email settings configuration

Step 3: Build Your Signature

A professional email signature should include these key elements:

  • Your full name — Make it easy to identify who the email is from
  • Job title — Establishes your role and credibility
  • Company name — Reinforces your professional affiliation
  • Phone number — Direct contact method for urgent matters
  • Website link — Drives traffic to your online presence

Pro tip: Keep your signature under 4-5 lines of text. Longer signatures get ignored and can look unprofessional.

Step 4: Add Your Logo or Photo

Click the image icon in the signature editor toolbar. You can upload an image or paste a URL. For best results, use an image that's already hosted online. Keep logos under 200 pixels wide to ensure they display properly across all devices.

Step 5: Format Your Text

Use the formatting toolbar to style your signature. Bold your name to make it stand out. Use a smaller font size for secondary information like phone numbers. Stick to standard web-safe fonts like Arial or Verdana for maximum compatibility.

Professional email composition

Step 6: Set Signature Defaults

Below the signature editor, you'll see dropdown menus for "For new emails use" and "On reply/forward use." Select your signature for both options if you want it to appear automatically. Some people prefer to only include the signature on new emails to reduce clutter in long threads.

Step 7: Save Your Changes

Scroll to the bottom of the settings page and click "Save Changes." Your signature is now active. Send yourself a test email to make sure everything looks right.

Common Gmail Signature Issues

Images Not Displaying

If your logo or image isn't showing up, it's usually because the image URL is broken or the hosting service has restrictions. Try uploading the image to Google Drive and using that link instead, making sure the sharing settings are set to "Anyone with the link."

Formatting Gets Lost

When recipients see garbled formatting, it's often because you've copied styled text from Word or another application. Instead, type directly in the Gmail signature editor or paste as plain text first, then apply formatting.

Signature Too Long on Mobile

Mobile email clients have limited space. If your signature dominates the screen on phones, consider creating a shorter mobile-specific version or removing unnecessary elements.

Gmail Signature Best Practices

  • Use a clear hierarchy — name first, then title, then contact info
  • Include only 2-3 social media links maximum
  • Test your signature by sending emails to different providers (Outlook, Yahoo, etc.)
  • Update your signature whenever your contact information changes
  • Consider seasonal updates for marketing campaigns or company announcements

Managing Signatures for Teams

If you're managing email signatures for an entire organization, doing it manually for each person quickly becomes unmanageable. Tools like Siggly for Google Workspace let you deploy consistent signatures across your entire team from a single dashboard, ensuring brand consistency and saving hours of IT time.

Need to manage signatures for your whole team?

Siggly makes it easy to deploy professional, branded signatures across your entire Google Workspace organization in minutes.