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  • How to Add Signature in Outlook | Step-by-Step Guide

How to Add Signature in Outlook | Step-by-Step Guide

  • By Lena
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  • Updated on October 22, 2025
Introduction:
Adding an email signature boosts your credibility, saves time, and ensures consistent branding. Want to make every message count? This SwifDoo PDF guide discusses how to add signature in Outlook quickly and easily. Just a few easy steps to give your emails a clean, professional finish.
summary

What Is a Signature in Outlook?

An email signature in Outlook is typically a sign-off. It tells the recipients about your work profile and company (where you work). Your signature can be simple and include your company name and title/position.

However, when you set up an email signature in Outlook, you also get many customization options. Your signature can include any or all of the following elements.

  1. Text
  2. Images
  3. Logo
  4. Electronic business card

With this, you can even create a group email in Outlook. Once your signature is created, add it automatically to all emails or include it manually in the necessary emails.

How to Add a Signature in New Outlook

New Outlook lets you set up various signatures. When creating a message, you can select the one you want to use. Check out how to add a signature in Outlook.

Step 1: Click Settings > Accounts > Signatures.

Settings

Step 2: If you have many accounts, choose one. And click New signature and name it.

New signature

Step 3: Type and format your signature in the box. And click Save when finished.

Step 4: Select your signature. And set it as the default for new emails and replies if desired. Alternatively, leave it blank to add manually. Click Save again.

Save

How to Add a Signature in Classic Outlook

Similar to the new Outlook, you can create your signature and choose when Outlook adds it to your messages. Find out how to add email signature in Outlook.  

Step 1: Open a new email, then go to Message > Signature > Signatures. The location may differ based on your Outlook window size or message type.

Step 2: Under "Select signature to edit" > New. And name your signature. Then, type and format it under "Edit signature."

For advanced designs, create it in Word or use a template. Then copy and paste it into the box.

Create Signature

Step 3: Under Choose default signature, pick the email account. And then choose a signature for new messages (or select none if you prefer no automatic signature).

Step 4: To add your signature to replies and forwards, select one in the Replies/forwards drop-down, or leave it as (none). Type your signature, click OK to save.

Note: Classic Outlook won’t add the new signature to the current email. You’ll need to insert it manually via Message > Signature. Future messages will include it automatically.

How to Add a Signature on the Web or Outlook.com

You can also create an email signature in Outlook in the web or Outlook.com. Once done, you can add to all your outgoing messages or manually add to specific ones.

Check out how to add signature in Outlook app (web).

Step 1: Open Outlook Web app. And select Settings > Account > Signatures.

Step 2: Under Email signature, type your signature. And use the available formatting options.

Email signature

Step 3: Pick a default signature for new messages and replies.

Step 4: Click Save once done.

How to Add Signature in the Outlook Mobile App

Besides all the above methods, you can also add an email signature in the Outlook app on Android or iPhone devices. Check out how to add signature in Outlook app (mobile).

Step 1: Open the Outlook app. And sign in to your account.

Step 2: Select your profile and move to Settings. Under the Quick Settings tab > Signature.

Add Signature in Outlook Mobile App

Step 3: Create a signature using the on-screen instructions.  

Step 4: Click the checkmark icon to save the signature.

Note: You can change signature in Outlook using the customization options.

Bonus Tip: How to Send a Large File in Outlook

You’ve already seen how to add signature in Outlook using the practical steps. However, if you wish to send large files via email in Outlook, you may employ some of the best techniques.

Here’s a brief introduction to some of the feasible methods.

1. Compress the File

Firstly, compress or zip the file to reduce its size before you attach a file in Outlook.  

2. Share via Cloud Storage

Secondly, you can use services like Dropbox, OneDrive, or Google Drive. This will assist you in uploading and sending a link instead of attaching the file directly.

Share via Cloud Storage

3. Use Third-Party File Transfer Services

Thirdly, third-party file transfer services (e.g., Smash) can also help you send larger files in Outlook. After uploading, you’ll get a shareable link to include in your message.

Final Wrap Up

That's all, friends! Understanding how to add signature in Outlook allows you to make a strong impression with every send. It’s a simple way to showcase your identity, earn credibility, and speed up your emails. Give your emails the edge they deserve— create your Outlook signature today for a sharp, consistent style.

FAQs

  • Q:How do I add a signature on my Outlook email?
    Several ways are available to add a signature to the Outlook email. Whether you need to add one in the new/classic Outlook, on the Outlook web, or the mobile app, we have discussed all the ways above. Follow any way to proceed.
  • Q:How do I update my email signature in Outlook?

    Step 1: Open Outlook and tap the File tab > Options > Mail.

    Step 2: Scroll to the Signatures section and hit the ‘Signatures…’ tab.

    Step 3: Go to the Email Signature tab. And, select an existing signature to edit. Or click 'New' to create one.

    Step 4: Visit the Edit Signature box and type and enter your new signature. Then format as required. And hit 'OK' to save.

    Step 5: Set your signature as the default. Alternatively, insert it manually from the compose window. Close Outlook Options to finish.

  • Q:How do I make my signature automatic in Outlook?

    You can create automatic signatures in Outlook through the desktop or web app. Here’s how to proceed with the Outlook Web app.

    Step 1: Open Outlook Web and sign in to your account.

    Step 2: Tap Settings. And click View All Outlook Settings.

    Step 3: Move to the Email settings. And tap Compose and Reply.

    Step 4: Under Email signature, type your signature. And choose the formatting options. Ensure that you check the boxes to auto-include your signature on new messages and replies/forwards.

    Step 5: Hit Save to add your signature.

Lena has been in the editing industry for 8 years. She is familiar with a variety of products that can make things easier, such as PDF tools, video recording software, iOS location changer, etc. She enjoys sharing her knowledge with users to help them solve problems in their work and life. In her spare time, she likes to play with her cat.

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