How to Attach EXE Files on Yahoo. 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 ...

Use the attachment options available with your email client or Web mail service to attach multiple files to an email.

To attach a folder to an Email, in Outlook, Hotmail, Gmail, Yahoo, or any other email service provider, you can use this trick.