Chris HoffmanEditor-in-Chief

Chris Hoffman is Editor-in-Chief that How-To Geek. He"s created about modern technology for end a decade and also was a PCWorld columnist for two years. Chris has written for The new York Times, to be interviewed as a modern technology expert top top TV stations choose Miami"s NBC 6, and had his job-related covered by news outlets choose the BBC. Due to the fact that 2011, Chris has written over 2,000 articles that have actually been read almost one exchange rate times---and that"s just here at How-To Geek. Check out more...

You are watching: How to email a file that is too big

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

Many email servers refuse come accept email attachments end a certain size. If attachment size haven’t kept up with the times, there are various other easy methods to send someone big files end email.

Even if you’re making use of a modern, virtual email client, message size is limited. Gmail, because that example, permits messages to be approximately 25 MB, including the message’s text and any attachments. Outlook.com permits only 10 MB. When sending messages over these services, lock will immediately give friend a helping hand and suggest alternatives—such as utilizing Google drive for Gmail attachments and OneDrive for Outlook.com. That’s handy, the course, yet if you’re utilizing a desktop computer email customer or another service, you may need come know about these top yourself.

What’s the Maximum size of an email Attachment?

In theory, there’s no border to the lot of data friend can attach to an email. Email standards don’t specify any kind of sort of dimension limit. In practice, most email servers—and part email clients—enforce their own size limits.

In general, once attaching papers to an email, you have the right to be sensibly sure that approximately 10MB the attachments space okay. Part email servers may have smaller limits, yet 10MB is usually the standard.

Gmail permits you to attach up come 25MB come a single email, yet this is only guaranteed to occupational if you’re emailing other Gmail users. As soon as the email leaves Gmail’s servers, it could be rejected by one more email server. Plenty of servers are configured to not accept more than 10MB of attachments.

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It’s not also as an easy as looking in ~ the maximum attachment size of the organization you use and also the service you’re emailing—emails regularly travel over number of mail move agents once they’re sent, so girlfriend may have your attachments rejected by a server follow me the way if you affix too much data.


You should also bear in psychic that email attachments are normally MIME encoded, which rises their dimension by around 33%. Therefore 10MB of papers on her disk will certainly become around 13MB of data as soon as attached come an email.

Use a Cloud storage Service

By far, her simplest option is to store documents you want to re-publishing on a cloud storage business like Dropbox, Google Drive, or OneDrive. You can then share the document with someone and also inform them via email that you have actually done so. They can then click a link and download the file directly to your computer.

If you usage Gmail or Outlook.com, you’ll discover that Google and also Microsoft have combined Google Drive and OneDrive into their respective email services. Just click the Google drive or SkyDrive button when sending an e-mail and you’ll be able to share a record via email. Gmail and also Outlook will walk girlfriend through selecting a document that already exists in your cloud storage journey or uploading a new file.


If you usage something like Dropbox, you have the right to share the file from the cloud warehouse service’s website. Because that example, right-click a paper on Dropbox’s website and select Share attach if you use Dropbox. If you have actually the Dropbox app installed on your computer, you can also right-click any file in your Dropbox folder and you’ll view a “Share” command there, as well.


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


Create and also Send Multi-Part Archives

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

If you’re looking for a much more traditional, do-it-yourself method, girlfriend can separation your document up right into smaller parts. For example, if you had actually a 50MB document you want to email—or also a arsenal of huge files—you could use a document compression program choose 7-Zip to produce an archive, and then break-up the archive into 5 10MB pieces.



After separating the archive, you have the right to then affix all the separated piece to separate emails. The recipient will need to download each attachment, and then use a document extraction regimen to extract the larger, complete file from the separate archives.

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

Use a Large-File sending out Service

To help answer the big attachment problems, a variety of file-sending services have actually sprung up online over the years. These services let you upload a file, and also then give you a link to your upload. You deserve to then paste that attach into an e-mail and the recipient deserve to click the link and also download the file.

RELATED: The Best free Programs and also Online solutions for Sending and also Sharing large Files

Of course, this services have to make money somehow. They may do that by displaying ads, limiting the maximum record size easily accessible to cost-free users, or demanding a subscription fee. We’ve covered many of this online solutions for sending and sharing big files before. And also note that once you use an online service, you’re entrusting it with your files. That may be okay if your files aren’t an especially sensitive, however you’ll more than likely want to shy far from uploading sensitive data come a cost-free service friend haven’t heard the before. That course, you can encrypt the files prior to uploading castle — yet that would include additional hassle because that the recipient, too.

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These file-sending services work fine, so long as you’re it s okay with every little thing ads or restrictions exist, and also you understand the risks—especially with sensitive files. However, we typically recommend simply using a cloud storage company instead.

Chris HoffmanChris Hoffman is Editor-in-Chief that How-To Geek. He"s written about an innovation for end a decade and also was a PCWorld columnist for 2 years. Chris has actually written for The brand-new York Times, been interviewed together a an innovation expert on TV stations prefer Miami"s NBC 6, and also had his job-related covered by news outlets choose the BBC. Because 2011, Chris has written over 2,000 posts that have been read virtually one billion times---and that"s just here at How-To Geek. Read full Bio »