Convert EXCEL to PDF online for free
1: Choose multiple local EXCEL files or enter the URL of an online EXCEL file. 2: Choose "PDF" as target format and set options (optional). 3: Click the "START CONVERSION" button to convert EXCEL files to PDF online.
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Microsoft Excel Binary File Format
File extension: .xls
Microsoft Excel up until 2007 version used a proprietary binary file format called Excel Binary File Format (.XLS) as its primary format. Excel 2007 uses Office Open XML as its primary file format, an XML-based format that followed after a previous XML-based format called "XML Spreadsheet".
Portable Document Format
File extension: .pdf
The Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems. Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it.