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MS Office格式文件完整介绍 - 百家号
Word、Excel 和 PowerPoint 的文件格式参考 - Office | Microsoft …
Office 文档有哪些常见的文件格式? - 知乎
File format reference for Word, Excel, and PowerPoint - Office
List of Microsoft Office filename extensions - Wikipedia
Download, install, or reinstall Microsoft 365, Office 2024, or Office ...
Microsoft Office - Wikipedia
[MS-OFFFFLP]: Office File Formats | Microsoft Learn
How to recover unsaved Word documents - Microsoft 365 Apps
Office for the web service description - Service Descriptions