In this article I will explain with an example, how to enable Images of type WEBP extension(.webp) in IIS.
 
In order to display Images of type WEBP extension (.webp), you need to do the following.
1. Open IIS Manager and select the website.
2. Double click on the option MIME Types under IIS.
IIS: Enable display of WEBP extension Images
 
3. Then, click on Add under Actions on the right hand side.
IIS: Enable display of WEBP extension Images
 
4. Now in the Add MIME Type dialog window, set File name extension as .webp and the MIME type as image/webp and click OK.
IIS: Enable display of WEBP extension Images
 
Once the above steps are done, your website will now start displaying images of type WEBP extension (.webp).