attaching JPEG files to E mail

​ When I try to ​​Scan​​ a document selecting "E mail" on my All In One 920 printer I get an error message on my Earthlink MAILBOX that reads: "There is no application associated with this type file." The same is true if I go to ​​creative tasks ​​and try to "E mail a document". ​

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​ I can only send a document using Dell Image Expert. Why can't I send a scanned document by selecting E mail under ​​Scan​​ or E mail a document under ​​Creative Tasks​​? ​

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​ Is there some application I need to install to send JPEG files? ​