Answer
On Facebook.com, go to your profile and choose Delete Posts from the drop-down menu. Tap Delete from the menu that appears on the app. Deletion is permanent. If you don’t want these postings to be permanently removed, you can conceal them instead so they no longer appear on your timeline Timeline.
How to Delete Facebook Posts in Bulk
How to Bulk Delete Posts in a Facebook Page
Tap on the three-dot menu to go to your profile. Go to Activity Log > Manage Activity and select the popup that says Your Posts after visiting your profile. You can choose all of your posts you wish to archive or remove, then hit the option that says so accordingly after seeing the list of your posts.
To make it simpler to clean up your postings, photos, and feed, Facebook has now added a bulk delete tool. Tap your avatar (top left) then select Activity log from the apps for Android and iOS. Choose Manage activity and Your posts to see all of your previously uploaded content.
The “Manage Activity” option will appear by navigating to your Facebook profile’s activity log. You may tick numerous postings for archiving from there. The archiving option removes items from your feed while keeping them private. There’s also a trash button that allows you to get rid of posts permanently.
To remove a post, click “Manage posts” in the status box. After that, all of your old postings will appear. Select the year and then press the arrow next to each item to deselect it. Facebook will advise you whether or not you can hide or delete the items.
Go to Settings and Privacy, choose Limit Past Posts in the left-hand menu, and then click on Limit Past Posts. All of your public postings are eliminated from the Public feed and made exclusive to friends.