These directions apply to the desktop version of Yahoo Mail.

SelectSettings(the gear icon).

In theEdit Filtersection, enter the filter criteria.

Yahoo Mail settings with the Filters heading highlighted

There’s no need to make this folder manually.

The folder you specify will be made automatically upon completion of the next step.

Every email that meets the filter criteria will be filed automatically in the folder you designated.

Yahoo Mail settings with the “Add new filters” button highlighted

Filter creation screen in Yahoo Mail with the filter name, sender address, and destination folder highlighted

Filter creation window in Yahoo Mail with the Save button highlighted