Yahoo Mail Signature Generator
Create a clean, professional signature for Yahoo Mail below, then paste it directly into your account settings -- ready to send with every email.
- No HTML or design skills required
- Works with the clients your team already uses
- Free to create, preview and copy
Build your Yahoo Mail signature
Open the Signaturely builder to choose a template, add your logo and contact details, then copy the finished signature. Once it is on your clipboard, come back and follow the Yahoo Mail install steps below.
Want to see finished layouts first? Browse email signature examples.
- Design your signature
- Copy the generated signature
- Paste it into Yahoo Mail
- Send yourself a test email
How to Add Your Signature to Yahoo Mail
Follow these steps in Yahoo Mail to install the signature you just created.
Open Yahoo Mail Settings
Sign in to Yahoo Mail and click the gear icon in the top-right corner, then select More Settings.
Go to Writing Email Settings
Select Writing email from the left-hand menu.
Enable and Paste Signature
Toggle on Signature, then paste your generated signature into the box.
Set Device Scope
Choose whether to apply it to all devices or just this one.
Save
Changes save automatically -- compose a test email to confirm formatting.
Frequently Asked Questions
Everything you need to know about Signaturely. Can't find the answer you're looking for?
Check that you selected 'apply my signature to all the devices I'm signed in on' -- otherwise it only applies to the device you set it up on.
Yes, Yahoo supports inline images in signatures, but very large images may be auto-compressed, which can affect display quality.
Yes -- Yahoo lets you toggle the signature on or off per message using the signature icon in the compose window toolbar.
Yahoo doesn't publish a hard limit, but keeping your signature under 10KB (including images) ensures reliable delivery and display.
Still have questions? Contact our support team
Signature generators for other platforms
Setting up a different inbox? Pick your client and get the matching install guide.
Ready to create your Yahoo Mail signature?
Design it free in the Signaturely builder, then paste it into Yahoo Mail using the steps above.
Create Your Signature Now