Files with No Extension

What’s up with people sending files with no extension? At least once a week someone sends me a file without an extension. Sometimes I can fix it by adding an .rtf or .doc extension. Sometimes I can’t.

How do people manage to send files without extensions? How do they lose the file extension by sending it as an attachment? And if the file somewhere along the line loses its extension, why wouldn’t they fix it before they send it off?

It’s annoying.

See comments for updates.

About Phillip

Phillip Cairns is a beekeeper in St. John's, Newfoundland, who writes about beekeeping at

18 Replies to “Files with No Extension”

  1. What’s Windows have to do with it? All operating systems depend on file extensions in order to quickly know how to process the file.

  2. I probably get more than the average number of attached files. I don’t think I’ve ever received an attachment that didn’t have a file extension.

    What email client are you using?

  3. I use Gmail. My emails also go through Yahoo Mail. I just checked my Yahoo account and the attachment shows up there with a .doc attachment.

    So Gmail has been removing the extensions all this time?


  4. I downloaded the original file which, as it turns out, was a .doc file.

    I then sent it from a different account to my Gmail account.

    It showed up with the extension this time.

    So I don’t know what’s going on.

  5. Jody, are you able to trace the route of any emails sent to me? Does an email first go through the server? If so, maybe that’s where things are going wrong. I dunno.

  6. As far as I know, the mudsongs email address is forwarded from the mudsongs server to both Gmail and Yahoo. That’s it. Neither Gmail or Yahoo forward anything.

    So something is happening at the mudsongs server, or Gmail, or both.

  7. I haven’t paid close enough attention. Hold on, let me check… (I love it that Yahoo has an “attachment” link that displays every attachment I’ve ever sent or received. Does Gmail have that feature? It should.)

    Son of a gun. It only happens with Gmail.

  8. He is not just trying to get attention so far i have not recieved one file from gmail with an extension it sucks

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