Are the Sword Art Online Movies Canon?

There have been a handful of SAO movies released over the years. Are these titles canon, or just filler?

Is Sword Art Online: Alicization Canon, and why does it have a different name if it's season 3? - Quora

Tozawa Misumi, Sword Art Online Wiki

Sword Art Online: Why Ordinal Scale Was Better Received Than the Anime

The movie Dead Apple is canon : r/BungouStrayDogs

Sword Art Online the Movie: Ordinal Scale Review - Black Nerd Problems

Sword Art Online Watch Order: Episodes, Movies, Shorts & Spin-Offs - Cultured Vultures

Sword Art Online: Progressive Key Visual : r/anime

What is the order of the Sword Art Online (anime) franchise? - Quora

Sword Art Online Progressive: Scherzo of Deep Night Gets Post-Release Trailer

Sword Art Online: Progressive Movie 2 - Scherzo of Deep Night

Are there some parts of the Sword Art Online Canon which were exempted from the show but posted elsewhere? I've heard something about this, but what exactly are they? - Quora

Scheta (Canon)/ZeroTC01, Character Stats and Profiles Wiki

SAO watch order please - Forums