To change your email signature in Microsoft Outlook, follow these steps depending on your Outlook version:

For Outlook Desktop (Classic Outlook for Windows)

1. Open Outlook.
2. Select File > Options.
3. In the Outlook Options window, select Mail from the sidebar.
4. Click the Signatures... button next to "Create or modify signatures for messages."
5. In the Signatures and Stationery window, select the signature you want to edit under Select signature to edit.
6. Make your changes in the Edit signature box. You can format text, add images, links, and customize fonts.
7. Click Save , then OK to apply changes.
8. To set a default signature for new emails and replies/forwards, use the Choose default signature section in the same window.
9. Click OK to close all dialogs.

Alternatively, you can access signatures from a new email message by clicking Signature on the Message tab, then selecting Signatures...

For Outlook on the Web or Outlook.com

1. Sign in to Outlook on the web.
2. Click Settings (gear icon) at the top right.
3. Select View all Outlook settings at the bottom.
4. Go to Mail > Compose and reply.
5. Under Email signature , edit your signature using the formatting tools.
6. Choose whether to automatically include the signature on new messages and replies/forwards.
7. Click Save to apply changes

Additional Tips

• You can create multiple signatures and choose which one to use when composing an email.
• To manually add a signature to an email, click Signature on the message toolbar and select the desired signature.
• You can use Word to create a formatted signature with tables, images, and then paste it into the signature editor

This process ensures your email signature is updated and automatically appended to your outgoing messages as desired.