If you want to use an image, you'll need to use a public URL for that image.

You cannot embed an image directly in the signature.The signature is always added, at the bottom of the email conversation.The signature is not visible to the users when composing an email.Limitations of a company-wide signature on Office 365 or Exchange: * Note: To bypass these limitations, you can use a third-party app from CodeTwo or Exclaimer. Office 365 Business with Exchange Online, gives you the ability (such as Exchange 2016 & 2019), to set up a corporate email signature, which applies to any email sent by any user or device of the company. A company-wide email signature is configured on the server side, and therefore ensures that all of your company's outgoing e-mail messages will have the same signature format and details for your organization, and eliminates the ability to add other details to the signature that you didn't want.Īlthough adding a organization-wide email signature has many benefits, on the other hand it has some limitations, as mentioned below.*

Add company logo outlook email signature