Xlsx what is

If you have one of the applications we've already mentioned installed on your computer, it's recommended to use that same program to save whatever XLSX you're working with to the specific format you're interested in. The F12 key should also work to get to the Save As window. Sometimes the quickest solution to convert an XLSX file isn't with a tool you have installed, but instead via a free file conversion software program or online service like Zamzar or Convert Files.

The most likely reason for why the file won't open at this point, if you've tried all the suggestions above, is that you're not really dealing with an XLSX file. This might happen if you've only briefly looked at the file extension and are confusing it for an Excel file. For example, maybe your file really ends in. XLR is another one that's easy to mix up for an Excel file.

If you can't open the file, re-read the extension and research it online. It should be fairly easy to find more information about the format and learn which programs are able to open and convert it. We may even have a description of it here on Lifewire—use the search box at the top of this page to check.

You can read the file with the Python module named openpyxl. Download the openpyxl module , then use the Python import command to read the data from the XLSX file. Actively scan device characteristics for identification. Use precise geolocation data. Select personalised content. Create a personalised content profile. Measure ad performance.

Select basic ads. Create a personalised ads profile. The XLSX document file is the modern way for companies to organize and lay out data. Learn its functions to improve your data analysis. Casey is a content management and branding expert who enjoys taking complex subjects and making them easy to understand for readers.

These mp3 metadata editors will deliver all you need. A pattern library is a rundown of visual elements for a site. Learn how to best use them here. The FLV video file is a popular extension that is used by web browsers to play videos. Consider the benefits and future outlook before implementing it. The individual parts of a document are saved separately and bundled together in the file.

You will have no trouble opening files in the XLSX format if you use version or higher. The latest version of the Excel spreadsheet program is included in Microsoft If you have a compatible version of Excel installed on your computer i. To do so, click on the XLSX file, keep the mouse button held down, drag the file onto the open Excel spreadsheet and then release the button.

This will also open the XLSX file. If the XLSX file does not automatically open in Excel despite there being a compatible version of Excel installed on your computer, the pop-up menu can help.

A window will open recommending programs that could open the file. From there, click on Excel and the software will open the file. If you do not see Excel on the list, you probably have not installed it. For older versions, such as Excel , you used to be able to download a compatibility pack from the Microsoft homepage. However, this download is no longer officially available. The free-to-use Excel Viewer, which was used by many to open the new file format, is also no longer officially provided by the publisher.

That means it is no longer possible to open and work with the new format in older versions of Excel. There are free-to-use alternatives.

Microsoft itself offers a solution through Excel Online which you can use directly in your browser. All you need is a user account.