The Attachments section is available for messaging forms. It appears as a simple line item in the form layout, but allows messages senders to add attachments to messages.
When sending a message, users can attach up to 10 documents with a total file size of up to 10MB, in one of the following formats:
- Images: BMP, GIF, ICO, JPEG, PNG, SVG+XML, TIFF
- Multimedia: MP3, MP4, WAV, MOV, AVI, WMV, MPG, MPEG
- Microsoft Office: DOC, DOCX, XLS, PPT etc.
- Open Document: ODT, ODS, ODP, ODG
- Other: CSV, HTML, TXT, XML, PDF, ZIP, X-ZIP
You can't preconfigure an attachment to send.