Open XLTX files

  • Full name
    Microsoft Excel 2007/2010 Open XML Workbook Template Format
  • Developer
    Microsoft
  • Popularity
Have you encountered a problem with a XLTX file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a XLTX file here. In the further part of this page we have added a list of programs that should open your XLTX file. It is enough you choose a proper application for your operating system, download and install it.

What is XLTX file?

The file extension XLTX features template files of the spreadsheet Microsoft Excel. An XLTX file contains formatting and data that form the basis for creating multiple xlsx workbooks with the same properties. The extension means Office Open XLM Excel Template.

More info

The template files can be created by the user himself or come from third-party suppliers or Microsoft itself.

As of version 2007, Excel uses the extension XLTX for normal templates and xltm for templates with macros. Later versions used the file extension xlt.

Office Open XML is an XML based file format that is not legible with older versions of Excel. For the Office versions 2000, 2003 and XP, this functionality can be corrected with the help of the Microsoft Office Compatibility Pack, whereby the result of an imported XLTX file does not always have to correspond 100% to the original. There may also be restrictions when processing the macros.

Office Open XML is an open Bro Bro applications standard developed by Microsoft to provide file sharing between different Office suites.

An XLTX 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 case of data loss.

Programs which can open a XLTX file

How to open file with XLTX extension?

In order to open a file with XLTX extension one of the following programs must be installed on user’s system. If a problem with opening XLTX file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with XLTX files, follow the instructions below.
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Install Microsoft Excel or other program from the list

Most often resolving problems with opening XLTX files is very simple. Just install an appropriate program that supports such files. All of the listed programs support XLTX files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of XLTX files or offer file conversion options, but may not be capable of editing such files.

Set Microsoft Excel as the default program for opening XLTX 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 XLTX 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.

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Check the section that lists most common problems with XLTX files

Sometimes problems with opening XLTX files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • XLTX 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 XLTX files (should that be the case, please contact your system administrator or IT specialist)
  • XLTX 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)

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