You might encounter an error while opening File Extension XLSX. This is the new spreadsheet file format for Microsoft Office documents using the Office Open XML format. It is a combination of XML architecture and ZIP compression for size reduction. Microsoft guarantees the format will be published for anyone to use and to previous versions of Office, using components provided by Microsoft for Office 2000, XP, and 2003 will be accessible to perform document conversion.

Damaged or corrupted data in an .xlsx file will cause major harm to the operating system. Generally, the error with these files is caused when importing the documents into non-Microsoft spreadsheet applications. The other cause of File Extension XLSX error is incorrect associations of file extension.

Driver Cure will help you to solve file extensions associations errors, you can run the programs by clicking this free scan to fix the error. This program will check and scan your computer system if you have any drivers that need to be updated. Programs that are outdated will be fixed once the drivers are updated.