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Online XLSX converter
You can convert documents to XLSX format with free online converter.
How to convert to xlsx?
Step 1
Download file
Select a file from your computer, Google Drive, Dropbox or drag and drop it on the page
Step 2
Select files «to xlsx»
Select files xlsx or any other format you need (more than 100 supported formats)
Step 3
Download your xlsx file
Wait for your file will convert and you will able to download it immediately xlsx -file
Office Open XML Document
File extension
.xlsx
File category
Description
XLSX – is an e-book created with one of the versions of the Excel program older than 2007. Thus the data have the form of the tables consisting of columns and lines. Each table is divided into cells that have a unique address, which consists of numeric and alphabetic characters. Cells contain data, both manually entered, and information that was obtained as a result of calculations. The extension allows the use of images, diagrams and graphic information.
XLSX files are formatted based on the Open XML standard, which allows you to compress data by the type of ZIP. The archive contains a file for the description of the table and individual files for each of its worksheets. The format makes it possible to develop and edit complex multi-sheet spreadsheets with a variety of formulas and data sources.
Technical details
Using the XLSX extension helps to optimize the content of the file, the technology of managing and restoring information. The format significantly increases the capabilities of binary files of obsolete Excel program variants. All applications that display XML can work correctly with the XLSX extension. Due to the preservation of data in XML format, reliable data storage is provided. This allows you to transfer files over local networks seamlessly.
Programs
Microsoft Office
LibreOffice
Kingsoft Office
Google Docs
Main program
Microsoft Office
Developer
Microsoft
MIME type
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet