1. Open 'Mail'.

2. Save the attached signature file that you received from SigBee website, in a temporary folder.

3. Choose 'Preferences' from the 'Mail' menu.

4. Click on the 'Signatures' icon.

5. Choose your user name, and then click on the '+' icon.

6. Name your new signature.

7. Close the 'Preferences' window.

8. Quit 'Mail'.

9. Open 'Safari' and choose 'Open File' from the 'File' menu.

10. Find and open the signature file that you saved in step 2.

This is how the signature file will appear.

11. Choose 'Save As' from the 'File' menu.

12. Click 'admin'.

13. Go into 'Library' folder.

14. Go into 'Mail' folder.

15. And finaly, into 'Signatures' folder.

16. Mark the most updated file on the list. (according to the time and date)

17. Click 'Save'.

18. To complete the process, click 'Replace'.