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

Gmail not downloading attachments? Having trouble with files not downloading from Gmail? Try these 13 fixes. We'll show you how to change your settings, clear your cache, and more.

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.