Lightbox blogArticles on Lightbox, the image viewer for Mac: how it handles big image folders, external drives and NAS, and why it works the way it does.https://getlightbox.app/Fast previews for image folders on external drives and NAShttps://getlightbox.app/blog/fast-previews-on-external-drives-and-nas/https://getlightbox.app/blog/fast-previews-on-external-drives-and-nas/Lightbox keeps thumbnails in a hidden folder beside your images, so big folders on external drives and NAS open fast and keep their previews when moved.Wed, 11 Nov 2026 00:00:00 GMT