Screen Image Size [upd] | Windows 11 Lock

Note: 16:10 displays (1920x1200) require custom cropping. Use 1920x1200 or 3840x2400 images to avoid borders.

Windows places several elements on top of your image: windows 11 lock screen image size

| Display Native Resolution | Optimal Lock Screen Image Resolution | Aspect Ratio | Max File Size | Format | | :--- | :--- | :--- | :--- | :--- | | 1366x768 (Budget Laptops) | 1920x1080 (or 1366x768) | 16:9 | 15 MB | JPEG | | 1920x1080 (Standard) | 3840x2160 (4K) | 16:9 | 20 MB | JPEG | | 2560x1440 (QHD) | 5120x2880 (5K) | 16:9 | 20 MB | JPEG | | 3840x2160 (4K) | 3840x2160 (Native) or 7680x4320 (8K) | 16:9 | 25 MB | JPEG | Note: 16:10 displays (1920x1200) require custom cropping