Files in an archive (such as .zip) won't open in Gmail even if the file inside is compatible. To send large files, share files through Google Drive. You can also preview some files in Gmail.

Then you can send large attachments, including videos, by using Google Drive, which comes free with your Gmail account. Once you have Gmail, here's how to send a large attachment.

Some files are simply too big for an e-mail, but with specialized online services like Gmail and Dropbox sharing still works.

Google has brought a couple of much-needed features to Google Drive, including a solution for the age-old dilemma of how to send extremely large files. Gmail users who’ve opted into the new ...

If you want to attach it read the aforementioned steps. Also Read: How to send Large Files and Folders through Gmail.