How to Select All Friends To Invite Them to Join on Facebook Page?
- First of all Go to your Facebook page, through which you are inviting your friend
- Select Search All Friend option from top left corner of popup.
- Scroll Down until you reach to the bottom.
- Press CTRL+SHIFT+K for FireFox, CTRL+SHIFT+J for Chrome.
- Press Enter Button, you will find that your all unselected friends are gets selected.
- Click on Submit Button that set.