Auto Email Spreadsheet add-on for Google Sheets lets you to schedule and email sheet/entire spreadsheet/range as attachment to multiple recipients. Sheets can be attached as PDF, CSV, HTML, XSLX or as ODS format.

Trial limitations: 
 - The created schedule(s) will cease functioning after the trial period
 - However, you can convert and send the current active sheet(s) immediately to a single recipient without cc, bcc
 - Embeds add-on attribution to outgoing emails

Features:
 - Schedule to send multiple sheets or selected sheets or range as email attachment
 - Create multiple schedules as once, hourly, daily, weekly, monthly, yearly with recurrence
 - Supports recurrence rules as defined in the iCalendar RFC (2445)
 - Natural language support for rule creation
 - Real time preview of scheduled dates
 - Auto suggest pop down list of contacts for easy accessibility 
 - Schedule emails with cc, bcc fields, with HTML which are to be sent regularly with attachment
 - Schedule to mail sheets in the zip ot loose format as PDF, CSV, HTML, XSLX or ODS 
 - Support naming of schedule(s)
 - Enable or Disable schedule on click 
 - Run the scheduled task on demand (onclick)
 - Choose options like grid lines, frozen rows, orientation, paper size, fit to width, spreadsheet name
 - Edit schedule to change email or other parameters
 - Manage all the schedules (current & other scheduled) in a single sidebar
 - Error reporting
 - The number of emails to be sent/day, trigger(s), it's run time etc. are restrained by your Quotas for Google Services. For details visit: https://developers.google.com/apps-script/guides/services/quotas

IMPORTANT: 
- Works best in Google Chrome
- Scheduled message(s) may go out +-60 minutes in exceptional cases depending on the hourly Google clock triggers