How to open and view .XLSX files

When you attempt to open a .XLSX file, your PC displays an error: "Windows can't open this file". This error is caused by two issues in the Windows system registry: i) the XLSX file type registration is missing and ii) the host application for .XLSX files isn't properly associated with its file type registration.

Recommended Solution

Check both file type registration and host application association for XLSX files in the system registry. Registry errors are also the primary causes for system crashes and slowdowns. It is highly recommended that you check your registry for file related errors and any other system errors.

Detailed Instruction

Step 1: Download the free registry scan tool provided by PC TuneUp Maestro.

Step 2: Click "Start Scan" to identify all registry errors.

Step 3: Review scan results and click "Fix Items".

   

    File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable
Supports: Windows XP, Vista, Windows 7 & Windows 8 (incl. 64-bit versions)
Installer may offer AVG SafeGuard toolbar. You can skip or uninstall it.
   

7 Comments on "How to open and view .XLSX files"

Jeff S on May 20, 2014 said:
Great, I can open XLSX files now!
Laura C on May 30, 2014 said:
It worked. Very easy to use.
Tim D on June 6, 2014 said:
Wow, the free scan tool found lots of errors on my PC.
Louis A on June 18, 2014 said:
Finally, a .XLSX fix that actually works. Thanks.
Jeff S on June 26, 2014 said:
The fix worked like a charm!
Karen on July 8, 2014 said:
I appreciate the help.
Stuart M on July 19, 2014 said:
Thanks. You just saved me from 2 hrs of frustration.
   

    File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable
Supports: Windows XP, Vista, Windows 7 & Windows 8 (incl. 64-bit versions)
Installer may offer AVG SafeGuard toolbar. You can skip or uninstall it.
   
Step-by-Step Instructions
Hover mouse over thumbnails to enlarge.
Click a thumbnail to download the solution.
PC TuneUp Maestro Windows Logo Free Scan
Run a Free PC Error Scan

Product Awards
Intel Software Partner
Intel Software Partner Intel Software Partner