.XLSX File Extension

Are you having difficulty opening a file that ends with .XLSX? Such files can be executed only by certain programs. If you cannot open the .XLSX file, it can be due to the following reasons: either you do not have an appropriate program to open it, or your file association is corrupted. For more information about this extension, please read the article below.

What is a .XLSX file?

.XLSX file belongs to the category of Spreadsheet Files used in operating systems such as Windows 11, 10, Windows 7, Windows 8 / 8.1, Windows Vista, Windows XP.

xlsx

Developer: Microsoft

File Type: Microsoft Excel Open XML Spreadsheet

Category: Spreadsheet Files

Format: Zip

.XLSX file is associated with Microsoft Excel Open XML Spreadsheet developed by Microsoft, has a Zip Format and belongs to Spreadsheet Files category.

Other file extensions

.cmr

Coach Results File

.caff

Core Audio File

.gxt

Grand Theft Auto Text File

.wav

DTS-WAV File

.tsp

Digital TV DVR Recording