To add a MIME type for a virtual directory within a website, perform the following steps:
1 - 1 - Logged in to Plesk, https://your domain name:8443.
2 - Go to Websites & Domains, and find the website's domain name.
3 - Click Virtual Directories.
4 - Navigate to the required virtual directory and click the corresponding link with its name.
5 - Click the MIME Types tab.
6 - Click Add MIME Type.
7 - Specify the following:
· Type the file name extension in the Extension field.
· Specify the file content type in the Content field.
· Select Custom and enter the content type in the input box provided, to define a new content type.
8 - Click OK to finish the creation.