Adding a signature in Yahoo Mail takes three steps and appears on every message you send

A signature is a block of text that automatically appears at the bottom of every email you write. In Yahoo Mail, you add it once in settings, and it shows up on all outgoing messages without you having to type it each time. The process is the same whether you use Yahoo Mail on the web or through the Yahoo Mail app on your phone.

To add a signature, you go to Settings, find the Signature section, type or paste your text, and save. You can have one signature that applies to all messages, or you can create multiple signatures and choose which one to use for each email.

Key Takeaways

  • Open Yahoo Mail Settings by clicking the gear icon in the top right, then select "Settings" from the menu.
  • Find "Signature" in the left sidebar under the Mailbox Settings section and click it to open the signature editor.
  • Type or paste your signature text into the box, then click "Save" at the bottom of the page to explore it to all outgoing mail.
  • You can create multiple signatures and choose which one to use for each message by selecting it from a dropdown before you send.
  • The signature appears on new messages and replies, but not on forwarded messages unless you manually add it.

How to access Yahoo Mail Settings

Open Yahoo Mail in your web browser and look for the gear icon in the top right corner of the screen, next to your account name. Click the gear icon and a dropdown menu appears. Select "Settings" from that menu — it is usually near the top of the list.

Once Settings opens, you will see a left sidebar with different sections. Look for "Mailbox Settings" and click it to expand that section. The "Signature" option appears below it. Click "Signature" to open the signature editor.

Creating your first signature

When you open the Signature section, you see a text box with the label "Signature" above it. This is where you type or paste the text you want to appear at the bottom of your emails. You can include your name, job title, phone number, website, or any other information you want recipients to see.

Type or paste your signature text into the box. You can format it with line breaks by pressing Enter to move text to a new line. When you are finished, scroll down and click the "Save" button at the bottom of the page. Yahoo Mail saves your signature and it now appears on every new message and reply you send.

Using multiple signatures

If you want different signatures for different purposes — for example, one for work and one for personal use — you can create more than one. In the Signature section, look for a button or link that says "Add another signature" or "Create new signature." Click it to create a second signature box.

Type your second signature into the new box and save. Now when you compose a new email, you see a dropdown menu near the bottom of the compose window that lets you choose which signature to use. Select the one you want before you send the message. If you do not select one, Yahoo Mail uses the first signature you created by default.

Signature behavior in replies and forwards

When you reply to an email, your signature automatically appears at the bottom of your message, below the original text. The same is true for most replies — the signature shows up without you having to do anything.

When you forward a message, Yahoo Mail does not automatically add your signature. If you want your signature to appear on a forwarded message, you need to add it manually by typing it in or by selecting it from the dropdown menu before you send. This behavior prevents signatures from stacking up when messages are forwarded back and forth.

Editing or removing your signature

To change your signature, go back to Settings, click Signature, and edit the text in the box. Make your changes and click Save. The new signature appears on all messages you send from that point forward. Previous messages you already sent are not affected.

To remove your signature entirely, go to Settings, click Signature, and delete all the text from the box. Click Save. Yahoo Mail no longer adds a signature to your outgoing messages. If you have multiple signatures and want to delete one, click the delete button next to that signature and confirm.

Signature formatting and special characters

Yahoo Mail accepts plain text in signatures, which means you can use letters, numbers, spaces, and common punctuation marks. You can add line breaks by pressing Enter to separate your name from your title, for example, or your title from your phone number.

Some special characters and symbols work in signatures, but not all. Dashes, parentheses, and periods display correctly. Emojis and images do not work in Yahoo Mail signatures — if you try to paste an image, it will not appear in the signature box. Stick to text-only formatting for the most reliable result.

Frequently Asked Questions

Does my signature appear on emails I send from the Yahoo Mail app on my phone?

Yes. The signature you create in Yahoo Mail Settings on the web appears on all messages you send through the Yahoo Mail app on your phone or tablet. You do not need to set up a separate signature for mobile — it is the same signature across all devices.

Can I include a link in my signature?

Yahoo Mail does not allow clickable links in signatures. If you type a web address like www.example.com, it appears as plain text in the signature. Recipients can still copy and paste it into their browser, but it will not be a clickable link.

What happens to my signature if I change my Yahoo Mail password?

Your signature is not affected by password changes. It stays in place and continues to appear on all your outgoing messages. Changing your password only affects how you log in to your account.

Can I have a different signature for each email address if I have multiple Yahoo Mail accounts?

Yes. Each Yahoo Mail account has its own Settings and its own signature. When you switch to a different Yahoo Mail account, that account uses the signature you set up for it. You manage each signature separately in each account's Settings.

Why is my signature not appearing on emails I send?

Check that you clicked Save after typing your signature — if you did not save, the signature is not active. Also check that the signature box is not empty. If you have multiple signatures, make sure you selected the correct one from the dropdown before sending. If you still do not see it, try signing out and signing back in to refresh your settings.