Adding attachments in Sintel Forms couldn't be easier, you simply have to open a form which has been configured with Sintel forms and then:
- Click on the Attachments icon from the top menu which opens the attachments pane.
- Click on Attach file, browse for it and select it.
- Save the form.
You can upload any file type that SharePoint supports, this is the list of supported file types.
When you attachments Sintel Forms will attempt to provide a preview of them if they are images, the list of file types that can be previewed are gif, jpeg, jpg, png. A custom icon will also appear for Word, Excel, PowerPoint and HTML files. All other supported file types will have a Paperclip Icon as shown.
Image Previews and Custom Icons
extensions with previews: gif, jpeg, jpg, png
extensions with HTML icon: html, htm
extensions with Excel icon: xlsx, xlsm, xslb, xltx, xltm, xls, xlt
extensions with Word icon: doc, dot, wbk, docx, dotx, dotm, docb
extensions with PowerPoint icon: ppt, pot, pps, pptx, pptm, potm, ppam, ppsx, sldx, sldm .