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How-to

Video too big to email? How to send it anyway

Gmail stops at 25 MB and Outlook.com at about 20 MB: a few seconds of phone video. You can still send it by email, as long as the email carries a link instead of the file.

Short answer: Upload the video somewhere and paste the link into the email. Gmail, Outlook and Apple Mail can do this for you with their own cloud storage, or you can use a share link. Only make the video smaller if they just need to watch it.

How big an email can be

Attachment limitFor bigger files
Gmail25 MBGmail swaps the file for a Google Drive link by itself
Outlook.comAbout 20 MB for the whole emailAttach it from OneDrive instead (up to 2 GB)
Apple Mail and iCloud Mail20 MB without Mail DropMail Drop: up to 5 GB, downloadable for 30 days
Work emailSet by your company, often 10–35 MBAsk whether you have a cloud drive for links

The limit counts the whole email, and attachments grow by about a third when they’re sent. So a 20 MB video can be refused by an account that allows 25 MB.

1. Let your mail app send a link

  • Gmail: attach the video as usual. Over 25 MB, Gmail uploads it to your Google Drive and puts a link in the email. It uses your Drive storage (15 GB free, shared with Gmail and Photos), and you may be asked to let the person open it.
  • Outlook.com: save the video to OneDrive, then attach it from there. They get a link to the file in your OneDrive.
  • Apple Mail: attach it, and Mail offers to send it with Mail Drop. Files up to 5 GB, kept for 30 days, and they don’t count against your iCloud storage.

This works for one file to one person. It gets awkward with a whole folder, files over a few GB, or when your cloud drive is full.

3. Make the video smaller

For a short clip someone only needs to watch, you can shrink it below the limit. HandBrake (free, Windows and Mac) does this: open the video, choose a preset such as “Fast 720p30”, and export. On an iPhone, sending as a link or by Mail Drop is easier than shrinking it.

Two things to know:

  • A smaller video has less detail. Don’t send a shrunk copy for editing, colour or projection.
  • Zipping doesn’t make video smaller. It’s already compressed, so the zip is almost the same size.

Common questions

Why does Gmail say my file is too big when it’s under 25 MB?
Attachments grow by about a third when an email is sent. Keep files under about 18 MB, or send a link.
What’s the biggest video I can email?
As an attachment, 20 to 25 MB. As a link in the email, there’s no real limit: it depends on where the file is stored.
Is a link as safe as an attachment?
Often safer: you can add a password, choose when it expires, and turn it off. An attachment stays in their inbox for good.

See also

Limits from Gmail Help, Outlook.com sending limits, Outlook: send large files and Apple: Mail Drop limits, checked November 2026. Services change their limits, so check before you rely on one. Something out of date? Tell us.

Email a link, not a file

100 GB free for 14 days, counted from your first upload. No card. Upload the video and paste its link into any email.

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