什么是 XLSX（Microsoft Excel）？
关于 XLSX 文件格式的完整指南
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What is it?
XLSX 是 Microsoft Excel 电子表格的标准文件格式，于 2007 年作为 Office Open XML 标准的一部分引入。它取代了较旧的二进制 XLS 格式。
XLSX 文件是包含描述电子表格数据、公式、图表和格式的 XML 文件的 ZIP 存档。该格式受到大多数电子表格应用程序的支持。
Technical Specifications
Pros & Cons
Advantages
XLSX is supported by Excel, Google Sheets, LibreOffice, and Numbers.
Full support for complex formulas, functions, and pivot tables.
Built-in charting and data visualization capabilities.
Supports over 1 million rows for large data analysis tasks.
Disadvantages
XLSX is a spreadsheet, not a database - large datasets are better in proper database systems.
Complex XLSX formatting may appear differently in non-Excel applications.
Very large XLSX files can be slow to open and process.
XLSX files with macros can be a security risk when received from unknown sources.
When to Use It
以下是 XLSX（Microsoft Excel）是正确选择的最常见情况：
Financial Analysis
XLSX is the standard for financial modeling, budgeting, and reporting.
Data Analysis
Data analysts use XLSX for data cleaning, analysis, and visualization.
Business Reports
Quarterly and annual reports with charts and pivot tables use XLSX format.
Data Exchange
XLSX is commonly used to exchange structured data between systems.
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Start Converting NowFrequently Asked Questions
What is the difference between XLS and XLSX?
XLS is the older binary format (before Excel 2007). XLSX is the newer XML-based format that is more compatible and efficient.
Can Google Sheets open XLSX?
Yes, Google Sheets fully supports opening and editing XLSX files.
How do I convert XLSX to CSV?
Use Excel (Save As > CSV) or our free online converter to convert XLSX to CSV for data portability.
Can I open XLSX on Mac?
Yes, Numbers and Microsoft Excel for Mac both fully support XLSX format.
Is XLSX secure?
XLSX files can contain macros. Only open XLSX files from trusted sources as macros can execute malicious code.