If you request to delete your Facebook Page, Facebook will deactivate your Page immediately, but it won’t be permanently deleted until 14 days have passed.
If you decide do not want to delete your Page then within 14 days, you can reactivate your Page to cancel deletion.
Here is the step-by-step process about how to Cancel Deletion Facebook Page
- Go to facebook.com and login your profile.
- On top right, click on profile picture(if your main profile not selected then switch to you main profile).
- Click on Settings & privacy, then click Settings.
- Under Your information on left side bar, click on Reactivate a Page.
- Find the Page that you want to reactivate and click on Reactivate.
