Chris HoffmanEditor-in-Chief

Chris Hoffman is Editor-in-Chief of How-To Geek. He"s composed about an innovation for over a decade and was a PCWorld columnist for two years. Chris has actually written for The brand-new York Times, to be interviewed as a technology expert top top TV stations like Miami"s NBC 6, and also had his work-related covered by news outlets like the BBC. Because 2011, Chris has actually written over 2,000 posts that have actually been read almost one billion times---and that"s just right here at How-To Geek. Read more...

You are watching: How to send huge files via email

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May 23, 2017, 6:40 afternoon EDT| 4 min read

Many email servers refuse to accept email attachments end a certain size. While attachment size haven’t retained up with the times, over there are other easy ways to send someone huge files end email.

Even if you’re using a modern, digital email client, article size is limited. Gmail, because that example, enables messages to be as much as 25 MB, including the message’s text and also any attachments. Outlook.com allows only 10 MB. Once sending messages over these services, they will automatically give girlfriend a help hand and also suggest alternatives—such as using Google journey for Gmail attachments and OneDrive because that Outlook.com. That’s handy, of course, however if you’re using a desktop computer email customer or another service, you may need come know around these tip yourself.

What’s the Maximum size of an email Attachment?

In theory, there’s no border to the lot of data girlfriend can affix to one email. Email criter don’t specify any kind of sort of size limit. In practice, most email servers—and some email clients—enforce their very own size limits.

In general, when attaching files to one email, you have the right to be sensibly sure that approximately 10MB the attachments room okay. Some email servers may have actually smaller limits, however 10MB is normally the standard.

Gmail enables you to connect up to 25MB to a solitary email, but this is just guaranteed to work if you’re emailing other Gmail users. As shortly as the email leaves Gmail’s servers, it can be rejected by one more email server. Plenty of servers room configured to not accept much more than 10MB that attachments.

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It’s not even as basic as looking in ~ the preferably attachment size of the business you use and also the organization you’re emailing—emails often travel over several mail carry agents when they’re sent, so girlfriend may have your attachment rejected by a server along the way if you attach too lot data.


You should likewise bear in psychic that email attachments are generally MIME encoded, which increases their size by around 33%. So 10MB of documents on your disk will certainly become about 13MB the data when attached come an email.

Use a Cloud storage Service

By far, your simplest alternative is to store papers you want to re-superstructure on a cloud storage service like Dropbox, Google Drive, or OneDrive. You have the right to then share the document with someone and also inform castle via email that you have done so. They have the right to then click a link and download the document directly to their computer.

If you use Gmail or Outlook.com, you’ll find that Google and also Microsoft have incorporated Google Drive and also OneDrive into their respective email services. Simply click the Google journey or SkyDrive button when sending an email and you’ll have the ability to share a file via email. Gmail and Outlook will walk you through selecting a record that already exists in her cloud storage journey or uploading a brand-new file.


If you usage something favor Dropbox, you have the right to share the document from the cloud warehouse service’s website. Because that example, right-click a document on Dropbox’s website and also select Share attach if you use Dropbox. If you have the Dropbox app installed on her computer, friend can also right-click any document in her Dropbox folder and also you’ll check out a “Share” command there, together well.


This is the option many email suppliers are pushing united state towards—if you try to attach a large file in Gmail or Outlook.com, you’ll be triggered to upload it come Google drive or SkyDrive first.


Create and Send Multi-Part Archives

RELATED: How come Upload Really huge Files to SkyDrive, Dropbox, or Email

If you’re in search of a more traditional, do-it-yourself method, friend can break-up your document up into smaller parts. Because that example, if you had a 50MB document you want to email—or also a arsenal of big files—you could use a document compression program favor 7-Zip to develop an archive, and also then split the save into five 10MB pieces.



After splitting the archive, you have the right to then affix all the separated pieces to separate emails. The recipient will need to download every attachment, and also then usage a document extraction regimen to extract the larger, complete document from the separate archives.

While it can be a little cumbersome, this traditional technique still works and it always did. Part recipients could be confused by the different attachments—or at least won’t reap jumping through hoops to reassemble them. If you’re not certain whether your recipient will know exactly how to execute this, it’s probably much better to select an less complicated method.

Use a Large-File sending out Service

To help answer the large attachment problems, a number of file-sending services have sprung up digital over the years. These solutions let you upload a file, and then offer you a attach to your upload. You deserve to then dough that attach into an email and the recipient deserve to click the link and also download the file.

RELATED: The Best complimentary Programs and Online services for Sending and also Sharing huge Files

Of course, these services need to make money somehow. They might do the by displaying ads, limiting the maximum record size accessible to complimentary users, or demanding a subscription fee. We’ve covered countless of this online solutions for sending and sharing big files before. And also note that as soon as you usage an online service, you’re entrusting it v your files. That may be it s okay if your records aren’t particularly sensitive, yet you’ll probably want come shy far from uploading perceptible data come a totally free service friend haven’t heard that before. Of course, you might encrypt the files prior to uploading them — yet that would include additional hassle for the recipient, too.

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These file-sending services work fine, so lengthy as you’re okay with everything ads or constraints exist, and you know the risks—especially through sensitive files. However, we generally recommend simply using a cloud storage business instead.

Chris HoffmanChris Hoffman is Editor-in-Chief that How-To Geek. He"s composed about technology for end a decade and was a PCWorld columnist for 2 years. Chris has written for The new York Times, been interviewed as a technology expert on TV stations favor Miami"s NBC 6, and had his work covered through news outlets like the BBC. Due to the fact that 2011, Chris has actually written end 2,000 posts that have actually been read nearly one exchange rate times---and that"s just below at How-To Geek. Read complete Bio »