This Manage Activity tool deletes individual posts or you can select multiple posts and delete them at once. The posts you will delete from your timeline will be permanently deleted after 30 days. This feature also lets you sort your posts using a time range. This feature is right now only available on the mobile app but it will soon be available on the desktop website and Lite app. Here is a little guide on how you can delete or hide your previous posts from the Facebook timeline on your profile.
Steps to delete Facebook Posts from the Timeline
Read | How to Access and Download Your Facebook Data
Wrapping up
You can also use the remove tag button to remove the tags from all the posts which you been tagged in. This is a really nice feature that lets you delete or hide your Facebook posts from the timeline.
