What is File Extension XLSX?

E-Press Corporation created the Microsoft Excel Open XML Spreadsheet (XLSX) file for the EasyOffice software series. Commonly, Microsoft Excel Open XML Spreadsheet files are found on user computers from China, and on PCs running the Windows 10 operating system. In most cases, these users are surfing the internet using the Google Chrome browser.

Other File Types Related to XLSX Files

Extension	File Type Developer	File Category	File Type Description
.UXDC	Microsoft Corporation	Data Files	Microsoft Excel Data Retrieval Service Connection File
.CER	Microsoft Corporation	Web Files	Internet Security Certificate
.BLG	Microsoft Corporation	Data Files	Windows Binary Performance Log File
.SWV	Microsoft Corporation	Game Files	Microsoft Sidewinder Game Voice Settings File
.MBF	Microsoft Corporation	Backup Files	Microsoft Money Backup File
.ACF	Valve	Game Files	Steam Application Cache File
.WWL	Microsoft Corporation	Plugin Files	Microsoft Word Add-in File
.DVF	Sony	Audio Files	Sony Digital Voice File
.BED	University of California, Santa Cruz (UCSC)	Data Files	UCSC BED Annotation Track File
.ACCESSOR	Microsoft Corporation	Data Files	Microsoft Visual Studio Accessor File