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XLSX 是自 Office 2007 起的 Microsoft Excel 默认格式，基于 OOXML 标准的开放包装规范，将电子表格数据存储为 ZIP 包内的多个 XML 文件。通过解压即可查看其内部结构。
About XLSX signature
XLSX eSignature 是一种文档签名服务，提供各种签名，包括数字（电子）、手写、图像、条形码和二维码签名。 XLSX 电子签名免费且使用安全，我们不存储您的签名和文件。可以验证电子签名文档的文档内容更改，如果内容被修改，将使签名无效。 Conholdate.Signature 是跨平台应用程序，这意味着它可以在任何现代浏览器和操作系统上运行。
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How to 符号 XLSX online
- 1. 在放置区域内单击或拖放文件。
- 2. 等待上传和处理完成。
- 3. 上传和文件处理完成后，您将看到结果页面。
- 4. 从结果页面单击“签名”按钮开始对您的文件进行签名。
- 5. 您还可以通过复制链接或电子邮件共享您的文件。
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