Most email providers, including Gmail, don't allow you to send executable or ".exe" files. Executable files are programs that require the action of a user to install ...

Yahoo! Mail allows executable files as attachments in email messages; however, depending on the recipient's email service, the user may or may not be able to receive the email. Gmail, for example, ...

A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...