‪Create or read password protected Excel files in C#, VB.NET, Java, C++, PHP and other!

EasyXLS™ library enables you to protect your Excel file from unauthorized access by setting passwords for opening or / and modifying the document. If you set the password for opening the file, the Excel file will be encrypted.
http://www.easyxls.com/manual/basics/password-protected-excel-file.html

‪Create Excel pivot tables in C#.NET, VB.NET, Java, C++, PHP and other, using EasyXLS Excel library! The pivot tables are reports in Excel that summarize worksheet data for a customized and clearer view over it. EasyXLS library allows you to create a pivot table in Excel, to set the data source and to arrange its data and fields into desired areas.
http://www.easyxls.com/manual/basics/excel-pivot-table.html

If not familiar with pivot tables in MS Excel or for technical related details, learn about Excel pivot tables.

‪Create Excel filter or autofilter in C#.NET, VB.NET, Java, C++, PHP and other, using EasyXLS Excel library! It permits to filter a range of data from an Excel sheet and hide records that don’t meet your criteria, displaying just a subset of data in a range of cells.
http://www.easyxls.com/manual/basics/excel-filter-and-autofilter.html

‪How many chart types can you create in Excel, using EasyXLS Excel library, in C#, VB.NET, Java, PHP, C++ and other programming languages?

http://www.easyxls.com/manual/basics/excel-chart-types.html

‪Create Excel charts that can be placed in a separate sheet. A chart can have two positions, as a distinct sheet or as an object in a worksheet. EasyXLS also allows you to read Excel files that contain charts and extract chart information.

http://www.easyxls.com/manual/basics/excel-chart-sheet.html

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Create Excel charts that can be positioned inside a worksheet in C#, VB.NET, Java, PHP, C++ and other programming languages! A chart can have two positions, as a distinct sheet or as an object in a worksheet.

http://www.easyxls.com/manual/basics/excel-chart-inside-sheet.html

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Import Excel data to MySQL, SQL Server in PHP or ASP classic! The data can be imported from an Excel sheet or from the active Excel sheet. The entire sheet data or only data from a range of cells can be imported.

http://www.easyxls.com/manual/FAQ/import-excel-to-mysql.html

‪Import data from Excel file in PHP or ASP classic. The Excel file can have one or multiple sheets. You may also import from other sheet elements like cell formatting, charts, pivot tables, comments, images and others.

http://www.easyxls.com/manual/FAQ/import-excel-in-php-asp.html

‪Export data to an Excel file having one or multiple sheets in PHP or ASP classic! The data in cells can be formatted using predefined formats or user-defined formats.

http://www.easyxls.com/manual/FAQ/export-to-excel-in-php-asp.html

Read large data from Excel file with fast reading time in C#, VB.NET, Java, PHP, C++ and other programming languages! The supported Excel file formats are XLSX, XLSM, XLS and XLSB.

‪http://www.easyxls.com/manual/tips-and-tricks/read-large-excel-file.html