Gmail's maximum attachment size is 25 MB. How to send files bigger than that?
How to send big files via email?
gmail;email;file exchange
Upload it to a website and send them a link. For example:Dropbox (in a public or shared folder)Google DriveNearlyFreeSpeech (paid)Amazon S3 (paid)If you upload it to a public service (e.g. a Dropbox public folder) and it's important that it's kept confidential, encrypt it with 7-Zip.