FileSender vouchers allow users without a FileSender account to send files to you using FileSender. You can send vouchers from within FileSender.
For more information, read this article https://reannz.atlassian.net/wiki/spaces/FILE/pages/4322132013/Invite+someone+to+transfer+files+to+you?atlOrigin=eyJpIjoiNWNkMmQ1MjRmY2Q3NGJhZTkyYTA2MTliNTZjYTcxYzAiLCJwIjoiYyJ9