Windows 10 can show Matroska (MKV) thumbnails as standard and has better MP4 support although there are still several video formats that no version of Windows supports out of the box. Support for displaying video thumbnails has increased with each new Windows release as new video formats become integrated by default. A video thumbnail will be a still frame taken at random from near the start of the video. When certain images and video files are viewed as icons, instead of a generic file type icon you will see a thumbnail preview image from the content of the file. They can effectively be viewed as lists, detailed lists, tiles or different size icons. On Windows 10, select View optional updates instead and skip the next step.Anybody that uses Windows File Explorer will know there’s a few different modes to display files. After Windows Update finishes scanning for updates, select Advanced Options. Check with the video card manufacturer’s website (such as NVIDIA or AMD) for a newer driver version or use a free driver updater tool to get everything up-to-date.Īdditionally, it’s a great idea to check Windows Update for any Microsoft-verified display driver updates.ģ. Outdated graphics drivers cause performance issues and prevent various Windows features (such as thumbnail previews) from working correctly.

On the other hand, the K-Lite Codec Pack can help you with uncommon video formats. You can attempt to fix that by installing the relevant codecs.įor example, the iPhone’s default HEIC image format won’t render thumbnails on Windows unless you install HEI C Image Extensions.

Install the Relevant CodecsĬonversely, image and video files related to non-supported formats in Windows may not display thumbnail previews.

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