Images are not visible in email signatures when using Outlook Web Access


Outlook Web Access does not support embedded/inline images in email signatures. This applies to all versions of OWA. Images will therefore appear as an empty box with a red box:


The images must be hosted on a publicly accessible website. Once the images is hosted online, insert the image URL when inserting an image in a signature template.

Signature Manager Office 365 Edition How To Troubleshooting