Include external files in PowerForm
There are few places where to include external files in the form. Usually, we keep files in BPC PowerForms Binaries, but it's up to you where you upload (deploy) them.
For example, we have following files in BPC PowerForms Binaries
and we want to use them in more forms
In OPTIONS/Scripts/Includes insert .css and .js files references
<link rel="stylesheet" type="text/css" href="https://yoursitecollection/sites/powerforms5/BPC%20PowerForms%20Binaries/GlobalStyle.css"/>
XSLT is to modify print view and has to be inserted in OPTIONS/Printing/XSLT file url