File Extension xlsx

Find out what programs can help open, view, play or convert your xlsx files.

Opening xlsx files
Microsoft Excel Open XML Spreadsheet

Did your computer fail to open a xlsx file? We explain what xlsx files are and recommend software that we know can open or convert your xlsx files.

Sponsored Link

Did you enjoy using our free file extension finder service? Please help us continue to make this service free by leaving us a good review at TrustPilot. You can write a quick review by going to It takes less then 2 minutes to give us a positive review and we love to read about our user experiences.

What is xlsx file?

Spreadsheet created with Microsoft Excel, a program used to create spreadsheets

Software that will open, convert or fix xlsx files

Sponsored Link