HOWTO: Email Really Big Files
A reader asks: 'I tried to email a bunch of digital photos to my daughter, but I got an error saying EMAIL IS TOO LARGE. Sending them one at a time is a nuisance -- is there an easier way?' Well, yes! Read on to learn how to send large files...
How to Email Large Files
It’s blissfully easy to email a file attachment to someone, unless the file (or group of files) is too big. Then you get a nastygram saying "message file too big" or some other "delivery failed" error telling you that the message was rejected for being too large.
I've had this happen myself when trying to send photos, or even a really short video clip from my mobile phone. So why does it happen, and what can you do about these file size limits? Here's the scoop...
Most email servers are configured to reject messages larger than 10 MB. That’s an arbitrary limit set by email system administrators 20 years ago when mail servers were dinky little things by today’s standards. File size limits kept the mail from bogging down.
However, the traditional email file size limit hasn’t kept pace with server power, Internet speeds, or the growth of the average file. Ten megabytes is a good-sized word processor document, but it’s just a few seconds of HD video. The 41-megapixel Nokia Lumia smartphone can take amazing photos, but the resulting image files can be 10-12 megabytes each. And Powerpoint files can be many times larger. So those “file too large” bounce-backs are more common than they used to be.
Gmail, Yahoo Mail, AOL and Outlook.com (formerly Hotmail) allow you to attach one or more files totalling up to 25 MB in size to an email, but that’s guaranteed to work only if the recipient is also using one of those services. If your “big” file attachment is bound for some other destination, it may be rejected by another server along the way. If you’re sending a file some other address, it’s best to keep the file size under 10 MB.
But even that’s not small enough by a long shot. Attached files are converted to MIME (Multi-Purpose Internet Mail Extensions) format before they are sent via email. At the receiving end, the text is converted back into its original format. The MIME conversion process adds about 33% to a file’s byte count, so that 10 MB limit really means, “Don’t try to send any file that’s larger than 7 MB in its original format.” Gmail’s 25 MB MIME limit becomes 16.67 MB in native format.
Alternatives to Email Attachments
Cloud storage provides a way around the file size limitations of email. Instead of sending a file via email, upload it to a cloud service and email just a link to the file to your recipient. The recipient clicks on the link in your email to download or view the file from the cloud.
That’s the basic, wonderfully simple idea. Various cloud services and email providers implement and improve upon it in their own ways.
Outlook.com has an “insert” option on its message-composition menu bar. One of the sub-options is “Share from SkyDrive,” Microsoft’s cloud storage service. Click that to select a file already in your SkyDrive folder, or to upload one from your hard drive to be shared via SkyDrive.
Gmail warns you if you’re trying to attach a file larger than 25 MB to an email message and says, “Don’t worry, you can send it using Google Drive.” Click the button and upload the file to Google Drive; when the upload is complete, Gmail automatically inserts a link to the file in your email message.
The “Share” button on the file management menu of Dropbox and many other cloud storage services is another option. When you share via email, an email message composition form opens up in your default email app; embedded in its body is a link to the file you wish to share.
For photo sharing, Flickr is another option. You get an amazing 1000 gigabytes (a million megabytes) of free space to store up to 500,000 photos on Flickr, and you can share a photo by email with just a few clicks. Photos can be marked as public or private.
More File Sharing Ideas
Even cloud services have upload size limits, though they may be measured in gigabytes instead of megabytes. If you have a really, really big file you may have to resort to one of the oldest file-sharing methods that predates the Internet.
Some archive utilities can split a file into smaller pieces and reassemble the pieces into the original file later. A free utility called 7-zip does this neatly and simply, creating sequentially named ZIP format archives of the file’s pieces. To reassemble the pieces, just provide the name of the first archive file in a series. You can split a file into multiple files of any specified size, allowing them to be sent via email or shared via cloud storage service.
There are specialty services that let you upload and share links to very large files without size limitations. They claim to provide faster file transfer speeds and secure connections. They have to make money somehow so you’ll often find a choice of ads in your file-sharing business or a “premium, ad-free” subscription. TyphoonUpload and Securely Send are examples.
So go ahead, start sharing those multi-megabyte photos, videos, documents and spreadsheets that have been languishing on your hard drive. Just take it easy on the "cats doing funny things" variety, there are plenty of those on the Web already. :-)
Your thoughts on this topic are welcome. Post your comment or question below...
This article was posted by Bob Rankin on 17 Nov 2014
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Article information: AskBobRankin -- HOWTO: Email Really Big Files (Posted: 17 Nov 2014)
Copyright © 2005 - Bob Rankin - All Rights Reserved