What is an Excel spreadsheet (XLSX)
XLSX files are spreadsheets created in Microsoft Excel that organize data in rows and columns. They can include multiple sheets, formulas, and charts, and are commonly used for sorting, analyzing, and sharing structured data.
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Not all spreadsheet tools handle XLSX files the same way. While programs like Google Sheets, Apple Numbers, and LibreOffice can open and edit them, some advanced Excel features like complex formulas, pivot tables, or macros may not work perfectly outside of Microsoft Excel. If you’re sharing an XLSX file across platforms or teams, it’s a good idea to double-check compatibility and formatting to make sure your data stays clear and usable for everyone.
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Frequently Asked Questions
Are XLSX files the same as older Excel files?
Not exactly. Older Excel files use the XLS format, while XLSX is newer and based on XML, which makes it more compatible and less prone to corruption. Most modern spreadsheet programs support XLSX files by default.
Can I use XLSX files to import data into other platforms?
Yes. Many platforms, including PIMs, CMS tools, ecommerce systems, and data analysis software, support XLSX imports. Just make sure your data is cleanly formatted, with clear headers and consistent structure, to avoid import issues.
What’s the difference between XLSX and CSV?
XLSX files support rich formatting, multiple sheets, formulas, and embedded charts. CSV files are plain text and only store raw data separated by commas. If you need more than just basic data, XLSX is the better choice. For simpler, lightweight needs like data exchange between tools, CSV can be more efficient.