How to enable filtering for a column?
Admin Columns allows you to filter the posts in your posts overview by certain criteria from your columns. Many column types support filtering, such as the comment count column: by enabling sorting for this column, you can easily sort your posts by the number of comments they have.
- Go to the column you want to filter in the Admin Columns settings screen. Most custom column types allow filtering; default column types (such as the title) do not.
- Click the “Filtering” icon and click the “Update” button to save your changes.
- Done! There is now an option to display posts by a specific author only in your posts overview.