Extra formats can be uploaded to an asset. For example if you have a JPEG image file and you wanted to have a PNG of the exact same content - the metadata would be the same as it describes the content you could upload another format.
- Go to the Asset page for the assets that you have a format file for.
- Open the Files panel.
- Click + UPLOAD NEW and choose Format use your browsers file chooser to select.
- A modal dialog will open.
- Give the format a name.
- Press .