File extension XLSX (.XLSX) information

Windows cannot open XLSX files?

If Windows is unable to open file extension .XLSX you may have registry related errors or may not have the appropriate program installed. We strongly recommend that you run a free registry scan.

Appropriate program:


The .XLSX file extension identifies the new spreadsheet file format for Microsoft Office documents using the Office Open XML format (which is based on XML and uses compression for file size reduction).. Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair XLSX file extension association errors.

Recommendation

  • Performance: To optimize memory and CPU usage for XLSX files run a free performance scan.
  • Stability: Fix XLSX errors to make your system and applications more stable.
  • Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.

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