Open XLSX files
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Full nameMicrosoft Excel 2007, Excel 2010 And Excel 2013 Open XML Workbook Format
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DeveloperMicrosoft
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Popularity
What is XLSX file?
The file extension XLSX is the latest version of the Microsoft Excel xls file format. The XLSX format will be supported starting with the 2007 version of the spreadsheet program used worldwide. The file extension XLSX means Excel Spreadsheet Xml, Excel spreadsheet in XML format.
More info
An XLSX file contains formatting instructions, formulas and graphics in addition to the table cell values, but no macros. Files containing macros are automatically given the extension xlsm.
XLSX is an XML based file format (Office Open XML) that is not legible with older versions of Excel. For the Office versions 2000, 2003 and XP, however, this functionality can be upgraded using the Microsoft Office Compatibility Pack, whereby the result of a read-in XLSX file does not always have to be 100% identical to the original.
Office Open XML is an open standard developed by Microsoft for office applications, which is intended to ensure the file exchange between different office suites.
An XLSX file consists of several XML files, which are automatically summarized as archives when saved using the ZIP algorithm. This saves space compared to the old format. Other benefits include better data integrity and easier data recovery in the event of data loss.
Programs which can open a XLSX file
Windows
Android
An XLSX file contains formatting instructions, formulas and graphics in addition to the table cell values, but no macros. Files containing macros are automatically given the extension xlsm.
XLSX is an XML based file format (Office Open XML) that is not legible with older versions of Excel. For the Office versions 2000, 2003 and XP, however, this functionality can be upgraded using the Microsoft Office Compatibility Pack, whereby the result of a read-in XLSX file does not always have to be 100% identical to the original.
Office Open XML is an open standard developed by Microsoft for office applications, which is intended to ensure the file exchange between different office suites.
An XLSX file consists of several XML files, which are automatically summarized as archives when saved using the ZIP algorithm. This saves space compared to the old format. Other benefits include better data integrity and easier data recovery in the event of data loss.
Programs which can open a XLSX file
Windows
Android
How to open file with XLSX extension?
Install Microsoft Excel or other program from the list
Most often resolving problems with opening XLSX files is very simple. Just install an appropriate program that supports such files. All of the listed programs support XLSX files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of XLSX files or offer file conversion options, but may not be capable of editing such files.
Set Microsoft Excel as the default program for opening XLSX files
It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate XLSX files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the Microsoft Excel applications is not on the list, select "Browse" option in order to manually locate the directory where Microsoft Excel has been installed.
Check the section that lists most common problems with XLSX files
Sometimes problems with opening XLSX files may not lie with the application itself, but can arise due to other causes, such as:
- File data is corrupted
- XLSX files has been not been completely download from the internet (only a part of the data has been downloaded)
- Currently used user account hasn’t been granted necessary privileges to open XLSX files (should that be the case, please contact your system administrator or IT specialist)
- XLSX file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)