XLSX File Extension

Programs that support XLSX files

• Windows ⁹
• Mac OS ⁶
• Linux ³
• Android ²
• Apple iOS ¹
• Windows Phone ¹
• Online Services ³

Windows

• Microsoft Excel
• LibreOffice Calc
• Corel Quattro Pro
• OpenOffice Calc
• Microsoft 365
• Corrupt Office Salvager
• Microsoft Office
• Excel Regenerator
• Office Regenerator

Mac OS

• Microsoft Excel
• OpenOffice Calc
• Numbers
• LibreOffice Calc
• Microsoft 365
• Microsoft Office

Linux

• LibreOffice Calc
• OpenOffice Calc
• Microsoft 365

Android

• Microsoft Excel
• Microsoft Office Mobile

Apple iOS

• Microsoft Excel

Windows Phone

• Microsoft Office Mobile

Online Services

• iWork
• 2qfx Convert Pro
• Online pmid to ris converter

How to open a XLSX file?

If you cannot open a XLSX file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.

The most popular programs for working with XLSX files are Microsoft Excel, LibreOffice Calc and Microsoft Office Mobile. To install the latest version of Microsoft Excel on your computer, visit the Microsoft website where you can download the version available for all operating systems.

Once Microsoft Excel is installed, the OS should configure it as the default tool for opening XLSX files.

Make Microsoft Excel the default XLSX viewer

Changing the default program in Windows

1. Right click on your XLSX file, then select "Open with" and click "Choose another application";
2. Inside the popup window, scroll through the list of applications and specifically choose Microsoft Excel as the application to associate with your XLSX file;
3. Check the "Always use this app" checkbox and click "OK".

Change the default app to open files on Mac

1. Right click or use Control + Left Click on the desired XLSX file to access a dropdown menu of actions;
2. Select "Open in application" and click "Other";
3. Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
4. In this menu, select "All Programs" and search for Microsoft Excel. Check the box next to "Always open in app" to make it the default option.

Convert to and from XLSX

If you have trouble working with a XLSX file, try converting it to JPG, JPEG, PNG, PDF, CSV or similar spreadsheet files.

Please note that after converting a XLSX file, some functionality may differ from the original. However, in many cases, it can be converted back to its original format.

Microsoft Excel, Corel Quattro Pro and OpenOffice Calc are offline programs that convert XLSX files to alternative formats without compromising data quality.

Convert XLSX to other file formats

• XLSX to MDF
• XLSX to XLSB
• XLSX to OTS
• XLSX to WB1
• XLSX to XLTX
• XLSX to PAGES

Converting Files to XLSX Format

• WB3 to XLSX
• MDB to XLSX
• XMIND to XLSX
• BBB to XLSX
• XLTX to XLSX
• PDF to XLSX

Finding answers to XLSX file problems

If XLSX files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.

How to edit a XLSX file?

To edit XLSX files, you need to install specialized software that allows you not only to open but also to modify spreadsheet files. Online XLSX editors usually provide fewer features than software created specifically for Microsoft Excel Open XML Spreadsheet.

List of Top XLSX editors 2026

According to these factors, we have compiled a list of available XLSX editors.