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A .xls is a Microsoft Excel 97-2003 spreadsheet. These files are commonly used in business and education to analyze, manipulate, and visualize data. Each spreadsheet file contains a table of data stored in rows and columns; they can also include charts and graphs.

While many spreadsheet programs can open and save .xls files, they can be converted to other spreadsheet formats. Newer versions of Excel (after 2007) use a different file format with the .xlsx extension. An XLS file can also be converted to the proprietary format for Apple Numbers (.numbers) or OpenOffice Calc (.ods). Spreadsheets can also be exported into Comma-Separated Values (.csv) files, which store data as plain text viewable in any spreadsheet application or plain text editor.

About File Helper

File Helper is a free web-based file utility that can open Microsoft Excel 97-2003 Spreadsheet files and over 150 other file formats directly in your web browser. It displays file properties, including metadata, and image EXIF data, along with information about the corresponding file type. File Helper can also view and convert images to several common formats. Have an unknown file or a file without an extension? No problem — File Helper can identify over 15,000 file types.

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