Force "Save As File" Option When Sharing File From Ubuntu One

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http://askubuntu.com – When sharing a mov file from Ubuntu One (See sample URL http://ubuntuone.com/2tmgfbyPMAURzYDraoMo7e ), then opening the file from your web browser such as Firefox, rather than giving you the save as file option it will start streaming the movie file instead. If sharing with friends or family & if the file is large, you don't want to be streaming the file as it may take some time. Is there a way of forcing the "save as file" option so the user has the option of saving the file to a directory or streaming the file? Other files such zip or pdf do prompt the option. I know I could zip the fil (HowTos)