Open your HTML email signature file in your web browser.
Press Ctrl + A to select the entire email signature, then press Ctrl + C to copy it.
IMPORTANT: Do not use your mouse to select the area, only use Ctrl + A as you may miss out on grabbing some of the code.
Open Outlook and select File, then Option at the bottom left of Outlook.
Select Mail, then Signatures.
Select your desired email account from the dropdown, then click New and enter a name for your email signature. Click inside the signature's text field below and press Ctrl + V to paste your copied signature. Set your signature as default from the Choose Default Signature section at the bottom of the window, then click OK.
NOTE: When you paste your email signature, the formatting may not display correctly. This is common and is due to the preview window. Your email signature will display correctly when composing a new email and sending.
Close out of your settings and compose a new email. Your email signature will now automatically insert when composing a new email within Outlook Office 365 (Classic) on Windows.
Close out of your Settings and compose a new email. Your email signature will now automatically insert when composing emails in Outlook Office 365 on Windows.
Copy your provided Signature Key. This may have been emailed to you, or you can access it from your Email Signature Rescue account.
Click the plus icon at the top left of the installer app to add a new email signature.
Click on the Select your email client drop down box and choose Outlook.
Click on the Select your email account drop down box and choose the email account you would like your email signature installed into.
Click on the insert your signature key field and press Ctrl + V to paste your copied signature key. If the key is valid, a green tick will appear on the right side.
Check the boxes below for Insert for new and Insert for replies/forwards, then click the Install Signature button.
Our installer app will now install your email signature into Outlook Classic for you. When you compose a new email within Outlook, your email signature will appear.