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How to Create a Professional Email Signature

A clean signature saves you from retyping your contact details every time and makes your email look more professional.

  1. Gmail: create a signature

    Go to Settings > See all settings > General, scroll to "Signature," create a new one with your name, title, and contact details, and save -- it will be added to new emails automatically.

  2. Outlook: create a signature

    Go to File > Options > Mail > Signatures, write your signature, and choose whether to apply it to new messages, replies, and forwards separately.

  3. Keep it simple

    A signature with just your name, title, company, and contact information reads as more professional than one packed with large images or oversized text.

  4. Don't forget the mobile app signature

    Gmail's and Outlook's mobile apps have their own separate signature setting, so a signature you set up on desktop won't automatically appear on emails sent from your phone unless you set it there too.

What to include, and what to leave out

A solid baseline is your name, job title, company name, and one or two ways to reach you (phone or a scheduling link). Adding a company logo or social media icons is fine in moderation, but a signature crowded with multiple large images can look cluttered and even get flagged as suspicious by some spam filters.

Why the desktop and mobile signature are set separately

Gmail and Outlook both treat the desktop and mobile app signature as two independent settings, which is a common source of confusion when a carefully designed signature doesn't appear on emails sent from a phone -- the mobile version needs to be added on its own.

Frequently Asked Questions

Can I use different signatures for different situations?

Yes, both Gmail and Outlook let you create multiple signatures and choose which one to use per message, which is useful for having a shorter one for quick replies and a fuller one for external correspondence.

Should I include an image or logo in my signature?

A small logo is fine, but keep the overall file size and image count low -- a signature packed with multiple large images can slow down loading, look unprofessional in some email clients, and occasionally trigger spam filters.