File Extension XLTX

.XLTX File

File extension: XLTX
File type: Template


Notes about the XLTX file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The XLTX file type is primarily associated with 'Excel' by Microsoft Corporation.

This is the new format for Microsoft Office documents.

It is a combination of XML architecture and ZIP compression for size reduction.

Microsoft promises the format will be open (published for anyone to use) and prior versions of Office, using components provided by Microsoft for Office 2000, XP, and 2003 will be available to perform document conversion. Remember that these are promises by Microsoft. We have yet to see the actuals. This format is not the same as the OpenDocument standard, also an XML-based standard being developed as a true open standard (see the OpenDocument Fellowship for more information).


Detailed information for file extension XLTX:


Primary association: Excel
Company: Microsoft Corporation
Mime type: application/vnd.openxmlformats-officedocument.spreadsheetml.template
Related links: Microsoft Office Open XML Formats Guide, OpenDocument Fellowship, Using New Formats in Older Office Versions



To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension XLTX click this link to expand/hide the additional area.

System Info for File Extension .XLTX

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: Excel.Template
EXEFile: %ProgramFiles%\Microsoft Office 2007\Office12\EXCEL.EXE /e

ProgramID: Excel.Template
EXEFile: %ProgramFiles%\Microsoft Office2007\Office12\EXCEL.EXE /e


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