Windows Mail (Classic) Signature Setup
- Open Windows Mail app
- Click the ⚙️ Settings gear icon in the bottom-left
- Select Signature from the settings panel
- Select the email account from the dropdown
- Toggle "Use an email signature" to ON
- Type or paste your signature in the text box
- Click outside the settings panel to save
⚠️ Note: The classic Windows Mail app only supports plain text signatures. It does not support HTML, images, or formatting. For full HTML signatures, use the new Outlook for Windows or the Outlook desktop app.
New Outlook for Windows (2024+)
Microsoft has replaced Windows Mail with the new Outlook app. This version supports rich HTML signatures:
- Open the new Outlook app
- Click ⚙️ Settings (gear icon) in the top right
- Go to Mail → Compose and reply
- Scroll down to Email signature
- Click + New signature and give it a name
- Paste your HTML signature in the editor
- Set as default for new messages and/or replies
- Click Save
New Outlook vs Classic Windows Mail
Classic Windows Mail
- Plain text only
- No images
- Per-account signatures
- Being phased out
New Outlook ✨
- Full HTML support
- Images and logos
- Multiple signatures
- Syncs with web Outlook
💡 Recommendation: If you're still using classic Windows Mail, upgrade to the new Outlook app for full HTML signature support. See our Outlook 365 guide for detailed instructions.