Note: Make sure you are using either Google Chrome or Firefox during the installation process.
Create your email signature on NEWOLDSTAMP.com and follow these simple steps to install it in Outlook.com.
After you finish creating your email signature, click Save and Install button under the signature preview.
Or, if you have saved your signature priorly, hover over your signature on the Dashboard and click Use button.
Select the Outlook icon in the list of email clients.
Under the Signature preview click the Copy signature button, which will save the signature code in the clipboard.
Open your browser and log in to your Outlook.com.
Open Quick settings and choose View all Outlook settings at the bottom.
Settings will open up in the Mail tab (which we need). Then choose to Compose and reply. The signature section will be right there.
Paste your signature with the keyboard combination CTRL + V (for Windows) or Cmd + V (for Mac) to the signature section.
Note: Make sure to put the tick in two options under the signature box to ensure your signature will show up in your composed/forwarded/replied emails.
Save the changes and close the settings window.
Compose a new email and see how the signature looks like there.
Congrats! Now you can use your email signature in every email on Outlook.com.