File extension xlsx

File extension xlsx is one of the file extensions that define type of the file and its contents.

Any computer user must have heard about .xlsx file, especially if they have been using Microsoft Excel. The files with the .xlsx extension are associated with the Microsoft Excel Open XML Spreadsheet Format. This is a new extension format which is used to save the files for Microsoft Excel. These files are pertaining to the Microsoft Excel Version 2007 and above only. The versions which were created earlier to the 2007 version used to save the files in the format of .xls extension. The difference between the two is that the .xlsx is embedded with the compression and decompression feature for the purposes of size reduction and better distribution of data.

So, how does one access this type of file format?

The simplest way to execute and access a File extension xlsx format file is by opening it with the Microsoft Excel program (version 2007 or newer). Though for the time being, these files are only executable in the versions 2007 or later, it is claimed by the Microsoft Corporation that the earlier version would now be equipped with the feature of the conversion of .xlsx files to the .xls files and vice versa. Till the time such a facility is provided, these files can be converted using the Microsoft Office Compatibility Pack.

Why was .xls replaced to .xlsx?

Before the File extension xlsx format came into being, the file format .xls was the most common format which was used by the Microsoft Office programs for the data transfer. But in the recent times, the improved .xlsx file extension format has replaced the .xls format due to better system facilities like compression, faster data transfer and more storage capacity. It is expected that as the newer versions of the Microsoft Office programs keep becoming more widely used, the popularity of the .xlsx format will also increase substantially .

So, what is different with the .xlsx format?

The spreadsheets in Microsoft Excel which use the File extension xlsx format, use the Microsoft Office Open XML format which was absent in the files with the .xls format. An advantage of the XML format is that it makes the reading and accessing of the .xlsx files, comparatively easier for the other programs such as OpenOffice.org. The other different applications which may support the .xlsx files are LibreOffice, KOffice, TextEdit, IBM Lotus Notes, Google Docs, OpenOfficeCalc, PlanMaker, Abiword and Kingsoft Office

Confused about File extension xlsx? Want to learn more about what file extensions are, how Windows and computers work? You can start by reading our knowledge base articles about these topics in our knowledge base which is regularly updated with new content.

Files on computers are grouped together into folders. Folders can contain files or other folders within them. Folders help keeps your computer files organized. Learn more about files and folders.

Files can contain different kinds of information – text documents, spreadsheets with numbers, pictures, videos, music, maps, etc… In order to tell which file contains which data, file extensions are used. File extension is a part of a file name that comes after the last dot. Examples of file extensions are JPEG, DOC, MP3, MP4, etc. A rough analogy would be person’s last name. Just like it, file extension identifies which “family” of files, specific file belongs to. Learn more about file extensions.

From computer’s point of view all files contain just long strings of numbers. It is computer applications (aka software) is what translates these numbers into useful, text images, and sounds. In order to open the file correctly, computer must use correct application that is appropriate for a file type (Word processor for text documents, photo application for image files, etc). Each file extension is assigned main default application that opens it and a number or additional applications that user can choose from. Information about these assignments is stored in Windows Registry. Failure to open files often results from Windows registry being corrupted. Learn more about Windows Registry.






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