For outlook 2013

From the tool bar of the outlook please click ‘File’ and then click Options. This will show outlook options. Click ‘Mail’ from the left options lift and then please click ‘Signatures..’ from the right panel.

For outlook 2010/2007

From the tool bar of the outlook please click Tools and then click Options. Click the Mail Format tab to see the available options. At the top of the panel, leave the message format as HTML. If you select Text as message format, you may not be able to add image with the signature. Please click Signatures....

At this stage the following editor will appear. Click New to add a new signature.

You can edit your signature using the available options. The editor enables you to insert an image, create hyperlinks and format text in various ways. Please design your signature and click OK when done.

When you compose a new email the added signature will appear at the bottom of the email. If the signature is not available, please click Signature from the tool bar of the editor and then select the signature you just added.

Thunderbird:

Adding a signature in Thunderbird is basically the same as in outlook and outlook express. Please click Account Settings from the Tools menu in the menu bar.

The account settings option will appear. Click on the email account where you would like to add the signature.

All the available options will appear on the right. You have the option to create text or html signatures - you can upload a pre-designed html signature. When the signature is added, please click OK to save it.

During email composition the signature will appear just below the main body of the email.