| .WMD | Microsoft Corporation | 視頻檔案 | Windows Media Download Package | Microsoft Windows Media Player | Microsoft Corporation |
| .WMDB | Microsoft Corporation | 資料庫檔案 | Windows Media Database File | Microsoft Windows Media Player | Microsoft Corporation |
| .WMS | Microsoft Corporation | 設置檔案 | Windows Media Skin | Microsoft Windows Media Player | Microsoft Corporation |
| .WMV | Microsoft Corporation | 視頻檔案 | Windows Media Video File | Microsoft Windows Media Player | Microsoft Corporation |
| .WMZ | Microsoft Corporation | 設置檔案 | Compressed Windows Media Player Skin | Microsoft Windows Media Player | Microsoft Corporation |
| .WPL | Microsoft Corporation | 視頻檔案 | Windows Media Player Playlist | Microsoft Windows Media Player | Microsoft Corporation |
| .WVX | Microsoft Corporation | 視頻檔案 | Windows Media Video Redirector | Microsoft Windows Media Player | Microsoft Corporation |
| .XESC | Microsoft Corporation | 圖形文件 | Microsoft Expression Encoder Screen Capture Data | Microsoft Windows Media Player | Microsoft Corporation |
| .XVID | DivX, LLC. | 視頻檔案 | Xvid-Encoded Video File | Microsoft Windows Media Player | Microsoft Corporation |
| .Y | Microsoft Corporation | 光柵圖像檔案 | Subsampled Raw YUV Image | Microsoft Windows Media Player | Microsoft Corporation |
| .ZVR | SAFA Inc. | 音頻檔案 | SAFA Media Audio File | Microsoft Windows Media Player | Microsoft Corporation |
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