Open the extension by clicking the Delete Facebook Posts, Photos, etc. icon in the top right of the browser window.
Click the Go to Facebook button to load the facebook activity log.
Click the profile icon in the top right corner of the screen, then select the Page Profile that you want to delete.
Click the link to your page in the top left of the screen to load your page posts.
Open the extension by clicking the Delete Facebook Posts, Photos, etc. icon in the top right of the browser window.
Click the More button.
Click Delete From Page.
Click Delete From Page again to confirm.
Wait for the extension to delete your facebook page posts.
See the status of the facebook items processed.