how to edit signature in outlook 365

How to Edit Signature in Outlook 365

Outlook 365 is a popular email client used by millions of individuals and businesses around the world. One of the key features of Outlook 365 is the ability to create and customize email signatures. An email signature is a block of text that is automatically appended to the end of an email message. It typically includes the sender’s name, contact information, and any other relevant details. In this article, we will explore how to edit the signature in Outlook 365, providing step-by-step instructions and valuable insights to help you create a professional and personalized email signature.

Why is an Email Signature Important?

Before we dive into the process of editing an email signature in Outlook 365, let’s first understand why having a well-crafted email signature is important. An email signature serves multiple purposes:

  • Professionalism: A well-designed email signature adds a professional touch to your emails, making you appear more credible and trustworthy.
  • Contact Information: Including your contact information in your email signature makes it easy for recipients to get in touch with you.
  • Branding: An email signature can also be used to promote your brand or company by including your logo or tagline.
  • Marketing: You can use your email signature to promote your products or services, share links to your social media profiles, or even include a call-to-action.

Now that we understand the importance of an email signature, let’s move on to the steps involved in editing the signature in Outlook 365.

Step-by-Step Guide to Editing Signature in Outlook 365

Editing your email signature in Outlook 365 is a straightforward process. Follow the steps below to create a professional and personalized email signature:

Step 1: Open Outlook 365

The first step is to open Outlook 365 on your computer. Launch the application by clicking on the Outlook icon in your taskbar or by searching for “Outlook” in the Start menu.

Step 2: Access the Signature Settings

Once Outlook 365 is open, click on the “File” tab located in the top-left corner of the screen. This will open a menu with various options. From the menu, select “Options.”

A new window will appear with several tabs. Click on the “Mail” tab to access the email settings.

Within the “Mail” tab, you will find a section called “Compose messages.” Look for the “Signatures” button and click on it. This will open the signature settings.

Step 3: Create a New Signature

In the signature settings window, you will see a list of signatures that you have already created (if any). To create a new signature, click on the “New” button.

A dialog box will appear, prompting you to enter a name for your new signature. This name is for your reference only and will not be visible to recipients of your emails. Enter a descriptive name for your signature and click “OK.”

Step 4: Customize Your Signature

Now that you have created a new signature, it’s time to customize it according to your preferences. In the signature editing window, you will see a toolbar with various formatting options.

You can use the toolbar to change the font, size, color, and style of your text. You can also add links, images, and even your company logo to your signature.

Take some time to experiment with different formatting options and design your signature in a way that reflects your personal or professional brand.

Step 5: Set Default Signature

After customizing your signature, you need to set it as the default signature for new emails and/or replies/forwards. In the signature settings window, you will see two drop-down menus: one for new messages and another for replies/forwards.

Select your newly created signature from the drop-down menus to set it as the default for the respective types of emails.

Step 6: Save and Apply Changes

Once you are satisfied with your signature and have set it as the default, click “OK” to save your changes and close the signature settings window.

From now on, every new email you compose in Outlook 365 will automatically include your customized signature at the end.

Best Practices for Creating an Effective Email Signature

Now that you know how to edit your signature in Outlook 365, let’s explore some best practices for creating an effective email signature:

  • Keep it concise: Your email signature should be brief and to the point. Include only the most essential information, such as your name, job title, company, and contact details.
  • Use a professional font: Choose a font that is easy to read and looks professional. Avoid using fancy or decorative fonts that may be difficult to decipher.
  • Include relevant links: If you have a personal website, blog, or social media profiles that are relevant to your professional life, include links to them in your signature.
  • Optimize for mobile: Many people read emails on their mobile devices, so make sure your signature is mobile-friendly. Use a font size that is easily readable on small screens and avoid including large images or excessive formatting.
  • Update regularly: Keep your email signature up to date. If your contact information or job title changes, make sure to update your signature accordingly.


Q: Can I have multiple signatures in Outlook 365?

A: Yes, Outlook 365 allows you to create multiple signatures. You can create different signatures for different purposes or use different signatures for new emails and replies/forwards.

Q: Can I include an image in my email signature?

A: Yes, you can include images in your email signature. However, it is important to keep in mind that some email clients may block images by default, so it’s best to use images sparingly and make sure they are not essential to the overall design of your signature.

Q: Can I use HTML in my email signature?

A: Yes, Outlook 365 supports HTML in email signatures. This allows you to create more complex and visually appealing signatures. However, it’s important to test your HTML signature across different email clients to ensure it displays correctly.

Q: Can I copy and paste my signature from another document?

A: Yes, you can copy and paste your signature from another document into the signature editing window in Outlook 365. However, make sure to double-check the formatting and adjust it as necessary to ensure it looks consistent and professional.


Editing your email signature in Outlook 365 is a simple process that can greatly enhance your professional image and improve your email communication. By following the step-by-step guide outlined in this article, you can create a personalized and visually appealing signature that reflects your brand and provides recipients with the necessary contact information. Remember to keep your signature concise, use a professional font, and include relevant links to maximize its effectiveness. Regularly update your signature to reflect any changes in your contact information or job title. With a well-crafted email signature, you can make a lasting impression and stand out in a crowded inbox.


I am a technology writer specialize in mobile tech and gadgets. I have been covering the mobile industry for over 5 years and have watched the rapid evolution of smartphones and apps. My specialty is smartphone reviews and comparisons. I thoroughly tests each device's hardware, software, camera, battery life, and other key features. I provide in-depth, unbiased reviews to help readers determine which mobile gadgets best fit their needs and budgets.

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