This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Thunderbird adds 5 + MB to outgoing email containing a video.

  • 2 replies
  • 1 has this problem
  • 1 view
  • Last reply by Jay

Jay
Jay
more options

Why, when I send a 15.9 MB video, is the resulting email 21.7 MB?

Why, when I send a 15.9 MB video, is the resulting email 21.7 MB?

Chosen solution

Thanks for enlightening this technologically challenged "seasoned citizen"...

Read this answer in context 👍 0

All Replies (2)

sfhowes
sfhowes
  • Top 10 Contributor
more options

That's the standard encoding overhead that results in a message being about 30% larger than the attachment , and is the same for all mail clients. You can avoid it by uploading to a file hosting service and sending a download link by email.

Jay
Jay Question owner
more options

Chosen Solution

Thanks for enlightening this technologically challenged "seasoned citizen"...