>> XLSX file

XLSX file format description

Many people share .xlsx files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .xlsx file can be edited, converted or printed with. On this page, we try to provide assistance for handling .xlsx files.

1 filename extension(s) found in our database.

.xlsx - Microsoft Excel 2007 Document

The XLSX document files are related to Microsoft Office Excel 2007. XLSX file is a Microsoft Office Excel 2007 Document without macros.

Microsoft Office Excel 2007
Document files
- / -
Microsoft Excel 2007 Document related extensions:
Plone Page Template
MasterCook Look Data
MasterCook Document
Naver Word Document
MuseScore Compressed Music Score
MuseScore Music Score

Naturally, other applications may also use the .xlsx file extension. Even harmful programs can create .xlsx files. Be especially cautious with .xlsx files coming from an unknown source!

Can't open a .xlsx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .xlsx file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

lsx, xls, xlx, xlxs, xsx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Streaming Media Shortcut
Microsoft Excel Worksheet
XoloX File
SAP BO Xcelsius Add-On Package
Unknown XLXS File
Microsoft XML Schema Designer View

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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