XLSX (EXCEL) to OTB Converter
Convert your xlsx files to otb online & free
Office Open XML Worksheet Sheet
XLSX is a file format created with Microsoft Excel, version from 2007 and younger. This file is a spreadsheet. All data distributed document and stored in the cells. Each cell has a unique address, which is denoted by the letters and Arabic numerals. XLSX file format is based on the Open XML. To reduce the size of the file is compressed ZIP.
This format was created by Nokia for use in its proprietary phones. A bitmap image was used to transfer image files between devices over a wireless connection. It was mainly used when exchanging multimedia text messages that support inserting pictures.
How to convert XLSX to OTB
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to otb"
Choose otb or any other format you need as a result (more than 200 formats supported)
Download your otb
Let the file convert and you can download your otb file right afterwards