Aspose Excel merger is a free web app to combine multiple Excel files: combine to PDF, DOCX, PPTX, XLS, XLSX, XLSM, XLSB, ODS, CSV, TSV, HTML, JPG, BMP, PNG, SVG, TIFF, XPS, MHTML and Markdown. Merge Excel online from Mac OS, Linux, Android, iOs, and anywhere.
XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.Read More
Files with PPTX extension are presentation files created with popular Microsoft PowerPoint application. Unlike the previous version of presentation file format PPT which was binary, the PPTX format is based on the Microsoft PowerPoint open XML presentation file format. A presentation file is a collection of slides where each slide can comprise of text, images, formatting, animations, and other media.Read More
You can also merge other file formats. Please see the list below.