XLTX File Type

- The quick facts

What are XLTX files and how to open them

Are you having problems opening an XLTX file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your 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

Important: Different programs may use files with the XLTX file extension for different purposes, so unless you are sure which format your XLTX file is, you may need to try a few different programs.

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

Last updated: December 15, 2021

Various apps that use files with this extension

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.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about XLTX file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.