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    • File extension .XLSX
    • Dateiendung .XLSX
    • .XLSXファイルの拡張子
    • Extension de fichier .XLSX
    • Extension de archivo .XLSX
    • Estensione del file .XLSX

How to open file with .XLSX extension?

Don’t you know what program to use to convert the .XLSX file? Do you want to convert a .XLSX file into a different format? Below you will find helpful information.

File extension .XLSX

.XLSXThe file extension is usually three or more characters appearing in the file name after the dot. The extension informs us about the type of the file content, and the operating system about the software which should be used to open it. To open files with the XLSX extension you can use the whole range of available software. The list of the most important programs to open files with the XLSX extension is shown below.

Programs for WINDOWS system
  • Microsoft Excel Microsoft Excel
  • Microsoft Works Microsoft Works
  • OxygenOffice Professional OxygenOffice Professional
  • WordPerfect Office WordPerfect Office
  • OpenOffice.org OpenOffice.org
  • Gnumeric Gnumeric
  • LibreOffice LibreOffice
  • Corel Quattro Pro Corel Quattro Pro
  • Full Convert Enterprise Full Convert Enterprise
  • SoftSpire vCard Converter SoftSpire vCard Converter
  • Excel Regenerator Excel Regenerator
  • Office Regenerator Office Regenerator
  • Office 365 Office 365
  • Microsoft Office Microsoft Office
Programs for MAC system
  • Microsoft Excel Microsoft Excel
  • Apple Numbers Apple Numbers
  • OpenOffice.org OpenOffice.org
  • NeoOffice NeoOffice
  • LibreOffice LibreOffice
  • iWork Numbers iWork Numbers
Programs for LINUX system
  • OxygenOffice Professional OxygenOffice Professional
  • OpenOffice.org OpenOffice.org
  • Gnumeric Gnumeric
  • LibreOffice LibreOffice
Programs for Android system
  • Kingsoft Office Kingsoft Office

After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .XLSX) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .XLSX extension.

When choosing the software we can select the system to use this software every time.

Remember!
Using it for the first time it is good to check whether the .XLSX file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .XLSX extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .XLSX extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .XLSX file. Sometimes you have to repeat the operation several times.

Other instructions

If none of the programs listed by us to work with the .XLSX file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.

In the vast majority of cases you will find the program dedicated to support the .XLSX file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .XLSX file) will be extended to the maximum.

It is also good to check

  • if the .XLSX file has no errors
  • or if it has been copied (or downloaded by the browser) thoroughly
In such a case it is best to try to download the .XLSX file again from the same source on the Internet (or look for another source). If you received the file from another person, ask this person to re-send it. However, if the file was copied from some media, repeat the copying operation.

Author’s guidelines

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Mr B. Adam

Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.

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Similar file extensions

  • File extension .XLS4
  • File extension .XLM3
  • File extension .XLSM
  • File extension .XLL_
  • File extension .XLA8

Conversion of a XLSX file

  • XLSX to MDB
  • XLSX to ACCDB
  • XLSX to CSV
  • XLSX to DOC
  • XLSX to DOCX
  • XLSX to HTM
  • XLSX to HTML
  • XLSX to NUMBERS
  • XLSX to ODS
  • XLSX to OTS
  • XLSX to PDF
  • XLSX to QPW
  • XLSX to WB1
  • XLSX to WQ1
  • XLSX to XLMX
  • XLSX to XLS
  • XLSX to XLSB
  • XLSX to XLSM
  • XLSX to XLT
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