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How to Add an Email Signature in Gmail, Outlook, and Office 365 (Step-by-Step)

How to Add an Email Signature in Gmail, Outlook, and Office 365 (Step-by-Step)
22
May

Introduction

Adding an email signature might sound simple, but the steps differ across platforms. In this Outlook signature tutorial, we’ll walk you through how to add an email signature in Gmail, Outlook, and Office 365—step by step.

1. How to Add an Email Signature in Gmail

  1. Open Gmail → click the gear icon → See all settings.

  2. Go to the General tab → scroll down to Signature.

  3. Click Create New → enter your signature.

  4. Format with your name, title, phone number, and links.

  5. Set your new signature as default for new emails and replies.

  6. Scroll down → click Save Changes.

2. How to Add an Email Signature in Outlook (Desktop App)

  1. Open Outlook → click File → Options.

  2. Select Mail → click Signatures.

  3. Choose New → name your signature.

  4. Add your details (name, company, contact info).

  5. Set default signature for new messages and replies.

  6. Click OK to save.

3. How to Add an Email Signature in Office 365 (Web Version)

  1. Log in to Outlook Office 365.

  2. Click the gear icon → View all Outlook settings.

  3. Go to Mail → Compose and reply.

  4. Enter your signature text and formatting.

  5. Check “Automatically include my signature” for new/replies.

  6. Click Save.

Final Thoughts

Whether you use Gmail, Outlook, or Office 365, a professional email signature ensures consistency and credibility in every message.

👉 Don’t want to do it manually? EmailSignatureService.com creates and installs professional signatures for you in minutes.