How to attach/send at 50MB file from yahoo mail to a gmail account?

Often even the size limit fails to attach and send - or is rejected by the receiver's server as too large. There are many free services which allow sending files of 50 Mb or even 2 Gb. Set up an account once you decide which service to use. Once uploaded, the file(s) can be downloaded after sending the link to the recipient. The files are available for a limited time, depending on the service used. Too Big for Email - Send up to 2 GB at the same time (8 hours of upload time) Upload multiple files at the same time, with password protection, delivery receipt, encryption and room for a message too. http://www.toobigforemail.com/ Dropbox (Free) - Sharing isn't one-way; your recipients can upload files for you as well. The free version lets you upload up to 2 gigabytes of files. You can share the files for 30 days. http://www.dropbox.com MailBigFile - Send files of up to 1Gb (= 1000 MB) for free. http://www.mailbigfile.com/ Transfer Big Files - Send files of up to 1Gb (= 1000 MB) for free. https://www.transferbigfiles.com/ YouSendIt Free service - Send very large mails (attachments, up to 1 Gb = 1000 Mb). https://www.yousendit.com/

compress it into a .rar or .zip file

You can't. Most emails have about a 4mb limit. You could try zipping the file. Might work, might not. I send large files, much more than 50mb, but I send them via ftp. You might possibly set up a Dropbox account. That might work. Do a search for dropbox.

Use a file upload site, if it's that important. Megaupload or something.

use skype , google it