Share Docs In Microsoft Office Format

If you’re working with people who only have Microsoft® Office®, you can share a copy of a Google Docs, Sheets, or Slides file with them in an Office format. They can then edit the file in Office and send it back to you.
  1. In DocsSheets, or Slides, open the file.
  2. Click File > Email as attachment.
  3. Under Attach as, choose Microsoft WordMicrosoft Excel, or Microsoft PowerPoint.
  4. Enter the email address, subject, and message.
  5. (Optional) Check the Send a copy to myself box.
  6. Click Send.
The full tip can be read here.