XLTX File - opening and understanding

Did your computer fail to open an XLTX file? We explain what they are used for and recommend software that we know can open or otherwise handle your .XLTX files.

What is an XLTX file?

The .xltx file extension is most commonly used by the Microsoft Excel spreadsheet application. The XLTX files contain template files that have been created with the Excel software. These files contain default settings and layout information, allowing a user to create multiple spreadsheets with the same layout and formatting without creating each spreadsheet from scratch. The XLTX file format is used by versions of Excel 2007 and later and use zip compression technology to save a user's disk space.

How to open XLTX files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension XLTX for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different XLTX openers which you will find listed below.

Suggest another file format using extension XLTX

While we know of one file format using the .XLTX file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .XLTX file.

Various viewers for this file format

These apps are known to open certain types of XLTX files. Remember, different programs may use XLTX files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Microsoft OfficeMicrosoft OfficeUser submitted
Kingsoft OfficeKingsoft OfficeUser submitted
WPS OfficeWPS OfficeUser submitted
Microsoft ExcelMicrosoft ExcelUser submitted
PlanMakerPlanMakerUser submitted
PlanMaker ViewerPlanMaker ViewerUser submitted
Citrix ICA ClientCitrix ICA ClientUser submitted
LibreOfficeLibreOfficeUser submitted
JUST CalcJUST CalcUser submitted
ThinkFree OfficeThinkFree OfficeUser submitted
We have not verified any software that we know for certain will work with XLTX-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with XLTX-files. If you know one, please use the 'Suggest a program' link below and tell us about it!